1. Bell DE, Keeney RL, Raiffa H (1977) Conflicting objectives in decisions. Wiley, Chichester, 442 pp
2. Blackwell handbooks in economics,1995
3. Cetinkaya CP, Fistikoglu O, Fedra K, Harmancioglu N (2007) Optimisation methods applied for sustainable management of water-scarce basins. J Hydroinformatics IWA Publ 2008 10/1:69–95
4. ESS GmbH (2006a) D03.2, Implementation report: basic optimization report. INCO-CT-2004-509091, OPTIMA, Optimisation for Sustainable Water Resources Management, 26 pp., http://www.ess.co.at/REPORTS/OPTIMAD3.2.pdf
5. ESS GmbH (2006b) D03.3, Implementation report: discrete multi-criteria optimization. INCO-CT-2004-509091, OPTIMA, Optimisation for Sustainable Water Resources Management, p 18, http://www.ess.co.at/REPORTS/OPTIMAD3.3.pdf