Research Creates Success

Scientific Papers

"Pitfalls of water distribution model skeletonization for surge analysis." Journal of the American Water Works Association, 99(12), 87-98, 2007.

"Steady-state water quality analysis for pipe network systems." Journal of Environmental Engineering, ASCE, 133(7): 777-782, 2007.

"An explicit conduit storage synthesis algorithm for solving decoupled forcemain networks." In Proceedings of the 2007 Computational Hydraulics Int (CHI) Conference, Toronto, Canada, Feb. 2007.

"Locating leaks in water distribution systems using network modeling." In Proceedings of the 2007 Computational Hydraulics Int (CHI) Conference, Toronto, Canada, Feb. 2007.

"A GIS-centric approach for optimal sensor placement in large-scale water distribution systems." In Proceedings of the 2007 EWRI Congress, Tampa, FL, May 14-18, 2007.

"Impacts of skeletonization on distribution system hydraulic transient models." In Proceedings of the 2007 EWRI Congress, Tampa, FL, May 14-18, 2007.

"Multiobjective optimization for optimal design of urban drainage systems." In Proceedings of the 2007 EWRI Congress, Tampa, FL, May 14-18, 2007.

"Essential water and wastewater calculations for engineers and operators." MWH Soft Press, Broomfield, Colorado, pp. 372, 2007.

"Sensitivity of a distributed watershed simulation model to spatial scale." Journal of Hydrologic Engineering, ASCE, 12(2): 163-172, 2007.

"The need for comprehensive transient analysis of distribution systems." Journal of the American Water Works Association, 99(1): 112-123, 2007.

"An innovative ArcGIS-centric solution to comprehensive planning, design, and management of water distribution systems." In Proceedings of the International Conference on Civil Engineering Infrastructure Systems (CEIS 2006), American University of Beirut, Beirut, Lebanon, 2006.

“Benchmark tests of evolutionary algorithms: mathematic evaluation and application to water distribution systems.”
Journal of Environmental Informatics, 7(1): 26-37, 2006.

“Comprehensive urban hydrologic modeling handbook for engineers and planners.” MWH Soft Press Publisher, Pasadena, CA, pp. 376, 2006.

“Comprehensive ArcGIS-based urban drainage modeling for decision support.”
In Proceedings of the 2006 Computational Hydraulics Int (CHI) Conference, Toronto, Canada, 2006.

“Optimal design of urban drainage systems using Genetic Algorithms.”
In Proceedings of the 2006 Computational Hydraulics Int (CHI) Conference, Toronto, Canada, Feb. 2006.

“Using Genetic Algorithms and Particle Swarm Optimization for optimal design and calibration of large and complex urban stormwater management models.”
In Proceedings of the 2006 EWRI Congress, Omaha, NE, May 21-25, 2006.

“An innovative geocentric decision support solution to comprehensive planning, design, operation, and management of urban drainage systems.”
In Proceedings of the 2006 EWRI Congress, Omaha, NE, May 21-25, 2006.

"Hydraulic optimization of transient protection devices using GA and PSO approaches."
J. Water Resources Planning and Management, ASCE, 132(1): 44-52, 2006.

"Comprehensive handbook on water quality analysis for distribution systems." MWH Soft Press Publisher, Pasadena, CA, pp. 448, 2005.

"Numerical methods for modeling transient flow in distribution systems."
Journal of the American Water Works Association, 97(7): 104-115, 2005

"Hydraulic transient guidelines for protecting water distribution systems."
Journal of the American Water Works Association, 97(5): 111-124, 2005

"Pressure wave analysis of transient flow in pipe distribution systems."
MWH Soft Press Publisher, Pasadena, CA, pp. 213, 2005.

"Comprehensive water and wastewater treatment plant hydraulics handbook."
MWH Soft Press Publisher, Pasadena, CA, pp. 234, 2005.

"Sensitivity and uncertainty analysis coupled with automatic calibration for a distributed watershed model."
Journal of Hydrology, Elsevier, 306: 127-145, 2005

"Decision support for watershed management using evolutionary algorithms."
Journal of Water Resources Planning and Management, ASCE, 131(1): 35-44, 2005

"An efficient geospatial approach to comprehensive management and protection of water distribution systems" In Proceedings of the 8th National Conference on Hydraulics in Water Engineering Hydraulics - The Next Wave, Gold Coast, Australia, July 13-16, 2004.

"Comprehensive water distribution systems analysis handbook for engineers and planners."
MWH Soft Press Publisher, Pasadena, CA pp. 589.

"Comprehensive sewer collection systems analysis handbook for engineers and planners." MWH Soft Press Publisher, Pasadena, CA pp. 279.

"Application of artificial neural networks and evolutionary algorithms to watershed management systems." Water Resources Management, Kluwer, 18(5): 459-482, 2004.

"The world’s drinking water problems – our infrastructure challenges of tomorrow." Invited Theme Speaker, Canadian Water Network First National Symposium, Connecting Water Resources 2003, St. John, New Brunswick, Canada, March 23-27, 2003.

"A multiobjective SDSS for management of urbanizing watersheds: The case of the Lower Kaskaskia Basin, Illinois." In Proceedings of the ASCE Environmental and Water Resources Institute Conference, Philadelphia, PA, June 23-26, 2003.

"Improved water distribution system planning using advanced geospatial technology and optimization theory." In Proceedings of the AWWA California - Nevada Section Water Management Committee – Advances in Water System Planning Workshop, Rancho Cucamonga, CA, May 16, 2002.

"The role of IT and Systems Technologies in automating and powering the water utility industry."
In Proceedings of the 2002 ASCE/EWRI World Water and Environmental Resources Congress, Roanoke, VA, May 19-22, 2002.

"Genetic algorithms for automatic calibration of physically-based distributed watershed models." In Proceedings of the ASCE Environmental and Water Resources Institute Conference, Roanoke, VA, May 19-22, 2002.

"Artificial neural networks for efficient decision making in watershed management systems." In Proceedings of the ASCE Environmental and Water Resources Institute Conference, Roanoke, VA, May 19-22, 2002.

"Integrative decision making for watershed management using evolutionary algorithms." In Proceedings of the ASCE Environmental and Water Resources Institute Conference, Roanoke, VA, May 19-22, 2002.

"Evolutionary algorithms for multiobjective evaluation of watershed management decisions." J. of Hydroinformatics, IWA, 4(2): 83-97, 2002.

"Extending the value proposition to clients." Eighth Annual Farkas Berkowitz Forum for Leaders of Infrastructure and Environmental Markets, May 23-24, Washington D.C., 2002.

"Optimal water distribution system management using ESRI MapObjects technology" ESRI Annual Users Conference, July 8-11, San Diego, CA, 2002.

"Integrating GeoBase with advanced geospatial networks" USAF/USARMY 2002 Geospatial Technologies Symposium, 7th Annual Joint Services Pollution Prevention and Hazardous Waste Management Conference, August 20-22, San Antonio, TX, 2002.

"Optimal sampling locations for compliance with USEPA stage 2D/DBPR." In Proceedings of the AWWA Distribution and Plant Operations Conference, Sept. 7-10, Nashville, TN, 2002.

"Improved water distribution system modeling and management using MapObjects." In Proceedings of the 2001 Annual ESRI International User Conference, July 7-13, San Diego, CA 2001.

"Using genetic algorithms for water distribution system optimization."
In Proceedings of the ASCE Environmental and Water Resources Institute's (EWRI's) World Water & Environmental Resource Congress, May 20-24, Orlando, FL 2001.

"Application of system and GIT technologies to real-life problems: decision support in analysis, design and operation." In Proceedings of the ASCE Environmental and Water Resources Institute's (EWRI's) World Water & Environmental Resource Congress, May 20-24, Orlando, FL 2001.

"Using genetic algorithms and SWAT to minimize sediment yield from an agriculturally dominated watershed." In Proceedings of the ASCE Environmental and Water Resources Institute's (EWRI's) World Water & Environmental Resource Congress, May 20-24, Orlando, FL 2001.

"System operations and network modeling." In Proceedings of the International Conference on Computing and Control for the Water Industry, September 3-5, Leicester, UK, 2001.

"Optimal operation of water distribution systems using genetic algorithms." In Proceedings of the AWWA Distribution System Symposium, September 23-26, San Diego, CA 2001.

"Using genetic algorithms to rehabilitate water distribution systems." J. AWWA, 93(11): 74-85, 2001.

"Watershed management techniques to control sediment yield in agriculturally dominated areas." Water International, IWRA, 26(3): 435-443, 2001.

"Least-cost design and rehabilitation of water distribution systems using genetic algorithms." In Proceedings of the AWWA IMTech Conference, April 16-19, Seattle, WA, 2000.

"Optimal design and rehabilitation of water distribution systems." In Proceedings of the ASCE Joint Conference on Water Resource Engineering, July 30 - August 2, Minneapolis, MN, 2000.

"Optimal design and rehabilitation of water distribution piping systems." In Proceedings of the ALES 2000 Annual Convention, July 20-22, American University of Beirut, Beirut, Lebanon 2000.

"An efficient genetic algorithm approach to an intelligent decision support system for water distribution networks." In Proceedings of the 4th International HydroInformatics Conference, July 23-27, Iowa City, IA, 2000.

"Genetic algorithm technology - a US perspective." IQPC 3rd Annual Conference on Modelling and Managing the Distribution System, June 7-9, London, England, 2000.

"Sensitivity Study of Extreme Rainfall Values in Ireland to Climate Change" In the 2nd Inter-Celtic Colloquium of the British Hydrological Society, University of Aberystwyth, United Kingdom, July 3-7, 2000.

"Analysis of the sensitivity of the calibration optimization problem." In Proceedings of International Symposium, CWS2000, Water Network Modeling for Optimal Design and Management, 43-54, Exeter, UK, 2000.

"Developing real-time models of water distribution systems." In Water Industry Systems: modelling and optimization applications, Volume 1, Eds. D. Savic and G. Walters, Research Studies Press, Ltd., Baldock, Hertfordshire, England, pp. 175-185, 2000.

"Optimal logger density in water distribution network calibration." Water Industry Systems: Modeling and Optimization Applications, Vol. 1, 301-309, Research Studies Press, Exeter, UK, 1999.

"Planning water supply systems during drought periods in California." Drought Management Planning in Water Supply Systems, UIMP, Valencia, Spain, 1998. Kluwer Academic Publishers (The Netherlands).

"Sizing water distribution mains for fire protection." AWWA 1998 IMTech Conference, Reno, NV: AWWA, 1998.

"Application of a calibrated dynamic water quality model to improve disinfection in a reclaimed water distribution system." AWWA 1998 IMTech Conference, Reno, NV: AWWA, 1998.

"Application of rule-based logical controls in network hydraulic models." AWWA 1998 Annual Conference, Dallas, TX: AWWA, 1998.

"Water quality modeling in a distribution network." IQPC International Conference on Modelling the Distribution System, London, UK, 1998.

"Using hydraulic modeling for CT compliance." J. AWWA, 90(8), 77-87, 1998.

"Modeling distribution storage water quality: theory and applications." 25th ASCE Annual Conference on Water Resources Planning and Management and the 1998 ASCE National Conference on Environmental Engineering, Chicago, IL, 1998.

"A genetic algorithm approach for pump scheduling in water supply systems." In Proceedings International Conference Hydroinformatics, Vol. 2, 897-899, A.A. Balkema, Copenhagen, Denmark, 1998.

"Calibration of water distribution network models using genetic algorithms." Hydraulic Engineering Software VII, Computational Mechanics Publications, Witpress, 131-140, Como, Italy, 1998.

"A genetic algorithm approach for rehabilitation in water supply systems." In Proceedings International Conference Rehabilitation Technology for the Water Industry, Society of British Water Industries, Lille, France, 1998.

"Analytical equations of storage reservoir water quality." J. Civil Engineering and Environmental Systems, 15, 171-186, 1998.

"Automated computation of fire flows with network models." J. AWWA, 89(2), 51-56, 1997.

"Kinetics of chlorine decay." J. AWWA, 89(7), 54-65, 1997.

"Water distribution network management: a fully integrated approach." J. New England Water Works Association, 111(2): 180-188, 1997.

"Optimizing distribution storage water quality: a hydrodynamic approach." J. Applied Mathematical Modelling, 21, 495-502, 1997.

"Optimizing water distribution systems management." ASCE Conference on Rehabilitation and Development of Civil Engineering Infrastructure Systems, Beirut, Lebanon, 1319-1327, 1997.

"Algorithms for network water quality models." ASCE Conference on Rehabilitation and Development of Civil Engineering Infrastructure Systems, Beirut, Lebanon, 1061-1071, 1997.

"Automated calculation and distribution of water demands in distribution network models." AWWA 1997 Computer Conference, Austin, Texas, 219-231, 1997.

"Optimized hydraulic modeling for water distribution systems." International Conference on Computing and Control for the Water Industry, Brunel University, United Kingdom, 1997.

"Complete automation of water distribution facilities management." AWWA 1997 Computer Conference, Austin, Texas, 73-94, 1997.

"Direct calculation of fire flows with water distribution network models." Fourth International Conference on Computer Methods and Water Resources, Beirut, Lebanon, 1997.

"Using hydraulic modeling to solve water quality problems." AWWA 1997 Distribution System Symposium, Norfolk, Virginia, 1997.

"Modeling distribution storage water quality: an analytical approach." J. Applied Mathematical Modelling, 20, 329-338, 1996.

"Hydraulic mixing and free chlorine residual in reservoirs." J. AWWA, 88(7), 48-59, 1996.

"Water quality and mixing models for tanks and reservoirs." J. AWWA, 88(7), 60-73, 1996.

"Numerical methods for modeling water quality in distribution systems: a comparison." J. Water Resources Planning and Management, ASCE, 122(2), 137-146, 1996.

"Mixing in distribution system storage tanks: its effect on water quality." J. Environmental Engineering ASCE, 122(9), 814-821, 1996.

"Hydrodynamic modeling of distribution reservoir water quality." Computer Methods and Water Resources III, Eds. Y. Abousleiman, C.A. Brebbia, A.H.D. Cheng, and D. Ouazar. Computational Mechanics Publications, Southampton, UK, 423-432, 1996.

"Integrated software for water distribution network management: small scale GIS." Computer Methods and Water Resources III, Eds. Y. Abousleiman, C.A. Brebbia, A.H.D. Cheng, and D. Ouazar. Computational Mechanics Publications, Southampton, UK, 31-38, 1996.

"Kinetic models of chlorine decay in drinking water distribution systems." Computer Methods and Water Resources III, Eds. Y. Abousleiman, C.A. Brebbia, A.H.D. Cheng, and D. Ouazar. Computational Mechanics Publications, Southampton, UK, 413-421, 1996.

"Water distribution network management: a fully integrated approach." AWWA 1996 Computer Conference, Chicago, Illinois, 17-27, 1996.

"Applications of computational fluid dynamics in the waterworks industry." AWWA 1996 Computer Conference, Chicago, Illinois, 87-97, 1996.

"Advanced network modeling applications: dynamic design and SCADA interface." AWWA 1996 Engineering & Construction Conference, Denver, Colorado, 223-250, 1996.

"Integrating EPANET with information management systems: the open system approach." AWWA 1996 National Conference, Engineering and Operations, Toronto, Canada, 685-698, 1996.

"Characterization and modeling of chlorine decay in distribution systems." AWWA Research Foundation, Denver, Colorado, 405 p, 1996.

"An Engineering information system application for water supply and distribution systems." Proc. ASCE North American Water & Environmental Congress 96, Anaheim, California, 1996.

"Data analysis for computer modeling of thermal discharges." Proc. ASCE North American Water & Environmental Congress 96, Anaheim, California, 1996.

"Verification of hydrological and hydrodynamic models calibrated by genetic algorithms." International Conference of Water Resources & Environment Research: Towards the 21st Century, Oct. 29-31, Kyoto, Japan, 1996

"Discrete simulation approach for network water quality models." J. Water Resources Planning and Management, ASCE, 121(1), 51-60, 1995.

"On solving flow constrained networks: the inverse problem." J. Hydraulic Engineering, ASCE, 121(5), 427-431, 1995.

"Convergence of Newton method in nonlinear network analysis." J. Mathematical and Computer Modelling, 21(4), 35-41, 1995.

"Explicit mathematical models of distribution storage water quality." J. Hydraulic Engineering ASCE, 121(10), 699-709, 1995.

"Multi-compartment models of distribution storage water quality." AWWA 1995 Conference on Computer Usage in the Water Industry, Norfolk, Virginia, 147-179, 1995.

"Taking small steps towards a fully-integrated computer system for distribution system operation, maintenance and management." AWWA 1995 Conference on Computer Usage in the Water Industry, Norfolk, Virginia, 83-93, 1995.

"Comprehensive sampling study of storage reservoir water quality: characterization of chlorine dynamics in terms of contact time and loss of residual." AWWA 1995 Annual Conference and Exposition, Anaheim, California, 815-839, 1995.

"Use of mathematical and physical mixing and water quality models in the design and operation of tanks and reservoirs." AWWA 1995 Annual Conference and Exposition, Anaheim, California, 799-825, 1995.

"Object-oriented design and development of hydraulic modeling tools." Proc. AWWA 1995 Annual Conference, Anaheim, California, 343-367, 1995.

"An event-driven algorithm for modeling contaminant propagation in water networks." J. Applied Mathematical Modelling, 18, 84-92, 1994.

"A hypo-quadratic convergence method for lagrange multipliers." J. of Computers and Mathematics, 27(1), 25-31, 1994.

"Managing water quality in distribution systems: simulating TTHM and chlorine residual propagation." J. Water SRT-AQUA, 43(4), 182-191, 1994.

"Effective use of 3D CAD in the design of water treatment plants." AWWA 1994 Computer Conference, April 10-13, Los Angeles, California, 275-285, 1994.

"A comparison of user interfaces for network models." AWWA 1994 Computer Conference, April 10-13, Los Angeles, California, 139-143, 1994.

"Application of distribution system hydraulic modeling to identify the least cost alternative for regulatory compliance." AWWA 1994 Annual Conference and Exposition, New York, New York, 487-497, 1994.

"Characterizing and modeling chlorine decay in distribution systems." AWWA 1994 Annual Conference and Exposition, New York, New York, 391-406, 1994.

"A comparison of methods for modeling water quality in distribution systems." AWWA 1994 Annual Conference and Exposition, New York, New York, 523-541, 1994.

"An explicit algorithm for modeling distribution system water quality with applications." 2nd BHR International Conference on Water Pipeline Systems, D.S. Miller ed., Edinburgh, Scotland, 405-423, 1994.

"Automated calculation of water usage in water distribution systems." AWWA 1994 Distribution System Symposium, Omaha, Nebraska, 1994.

"Development of an object-oriented environmental impact assessment programme." Envirosoft 94, San Francisco, in P. Zannetti (Ed.), ‘Computer Techniques in Environmental Studies: Environmental Systems’, Vol.2, Computational Mechanics Publications, 377-384, 1994.

"Progression of computer applications in water supply and distribution systems." In K. Khozeimeh (Ed.), ‘Computing in Civil Engineering’, Vol.1, 1994.

"An information engineering approach for environmental impact assessment and monitoring program." In K. Khozeimeh (Ed.), ‘Computing in Civil Engineering’, Vol.1, 249-256, 1994.

"An integrated approach to the real-time control of water supply and distribution systems." In D.G. Fontane and H.N. Tuvel, (Eds.), ‘Water Policy and Management: Solving the Problems’, 850-854, 1994.

"System analysis and modelling for a water information system." AWWA 1994 Computer Conference, Los Angeles, California, 15-32, 1994.

"Hydrodynamic model calibration by means of simulating evolution." 1st int. Conf. on Hydroinformatics, International Inst. for Infrastructure, Hydraulic and Environmental Engineering, Delft, The Netherlands, 1994.

"On the solvability of water distribution networks with unknown pipe characteristics." J. Applied Mathematical Modelling, 17(7), 380-387, 1993.

"An explicit approach for modeling closed pipes in water networks." J. Applied Mathematical Modelling, 17(8), 437-443, 1993.

"Explicit calculation of water quality parameters in pipe distribution systems." J. Civil Engineering Systems, 10, 187-206, 1993.

"Discrete volume element method for modeling water quality in distribution systems." J. Water Resources Planning and Management ASCE, 119(5), 505-517, 1993.

"A heuristic screening methodology for regional wastewater treatment planning." J. Environmental Engineering, ASCE, 119(4), 603-614, 1993.

"Use of three-dimensional CAD in filtration plant expansion." J. American Water Works Association, 85(10), 10, 1993.

"Managing water quality in distribution systems: minimizing chemical and microbial risk." AWWA 1993 National Conference, San Antonio, Texas, 1993.

"Essential considerations in the computer control of water distribution systems." J. Reliability Engineering and System Safety, Vol.42, 55-64, 1993.

"Computer modeling of water quality in large multiple source networks." J. Applied Mathematical Modelling, 16(8), 439-445, 1992.

"Computer Control of Operations at a Large Distribution System." J. American Water Works Association, 84(7), 68-74, 1992.

"Basic Planning and Design of a Water Information Systems."In F.P. Linaweaver, (Ed.), 'Saving a Threatened Resource - in Search of Solutions', ASCE, New York, 340-345, 1992.

"On-line control of a city water supply and distribution system." In B. Coulbeck and E. Evans (Eds.), 'Pipeline Systems', Kluwer Academic Publishers, Dordrecht, Netherland, 261-272, 1992.

"Planning, design, and construction of a water utility information system." Water Supply for the Municipality Area of City of Lisbon, National Laboratory of Civil Engineering (LNEC), Lisbon, Portugal, 1992.

"A graph-theoretic approach to explicit nonlinear pipe network optimization." J. Applied Mathematical Modelling, 15(9), 459-486, 1991.

"Explicit network calibration for multiple loading conditions." J. Civil Engineering Systems, 8, 153-159, 1991.

"An explicit algorithm for calculating operating parameters for water networks." J. Civil Engineering Systems, 8, 115-122, 1991.

"Explicit determination of network parameters for improving water distribution system performance." 2nd International Conference Computer Methods and Water Resources, Rabat, Morocco, 1991.

"A comprehensive algorithm for network calibration." 18th Annual ASCE Water Resources Conference, New Orleans, Louisiana, 949-953, 1991.

"A semi-analytical solution to water distribution network optimization." ICIAM International Conference on Industrial and Applied Mathematics, Washington D.C., 1991.

"KYPIPED: A comprehensive distribution network analyzer." 3rd Kentucky Water Resources Symposium, Lexington, Kentucky, 1991.

"A water information system for decision support in design, operations, and management of distribution networks." In J.L. Anderson (Ed.), 'Water Resources: Planning and Management and Urban Water Resources', ASCE, New York, 974-979, 1991.

"A unified approach for the optimization of nonlinear hydraulic systems." J. of Optimization Theory and Applications, 68(1), 1991.

"Optimal scheduling of water supply taking account of quality and transmission costs." Proc. AWWARF/EPA Water Quality Modelling in Distribution Systems, Cincinnati, Ohio, 131-140, 1991.

"A methodology for computer control of water supply and distribution systems." Proc. International Conference on Computer Applications in Water Resources, Tamsui, Taiwan, 116-124, 1991.

"Computer applications for decision support in water distribution systems." Proc. International Conference on Computer Applications in Water Resources, Tamsui, Taiwan, 906-914, 1991.

"A comparison of numerical and exact solutions for pressure surge analysis." BHRA, Proceedings of the 6th International Conference on Pressure Surges, A.R.D. Thorley ed., Cambridge, England, 149-159, 1990.

"Pipe network transients: distributed and lumped parameter modeling." BHRA, Proceedings of the 6th International Conference on Pressure Surges, A.R.D. Thorley ed., Cambridge, England, 131-142, 1990.

"Explicit calculation of pipe network parameters." J. Hydraulic Engineering, ASCE, 116(11), 1329-1344, 1990.

"KYPIPED - Users manual: a comprehensive pipe distribution network analyzer." Civil Engineering Software Center, U. of Kentucky, Lexington, Kentucky, 1990.

"Implementation of an on-line control scheme for a city water system." J. Water Resources Planning and Management, ASCE, 116(5), 708-726, 1990.

"Telemetry data considerations for control of water supply and distribution systems." In R.M. Khanbilvardi and T.C. Gooch (Eds.), 'Optimizing the Resources for Water Management', ASCE, New York, 248-251, 1990.

"Real-time optimized control of a water distribution system." In R.M. Khanbilvardi and T.C. Gooch (Eds.), 'Optimizing the Resources for Water Management', ASCE, New York, 252-256, 1990.

"Development of control simulator for London's water supply system." IWSA European Specialized Conference on 'Water Supply Improvement through the Broader Use of Instrumentation, Control and Automation', Amsterdam, Netherlands, 81-94, 1990.

"Computer-aided analysis, design and operation of water distribution systems versus power distribution systems." Proc. 25th Universities Power Engineering Conference (UPEC), Aberdeen, United Kingdom, 465-468, 1990.

"On-line control of a city water supply and distribution system." Proc. 8th International Conference on Systems Engineering, Las Vegas, Nevada, 611-617, 1990.

"An optimal scheduling method and its application in a major water supply system in the United Kingdom." Proc. 8th International Conference on Systems Engineering, Las Vegas, Nevada, 602-609, 1990.

"Optimal control of water supply." IEE Colloquium on 'Control and Optimization Techniques for the Water Industry', IEE, London, United Kingdom, 1990.