Simonovic, Slobodan P. Managing water resources : methods and tools for a systems approach / Slobodan P. Simonovic - London UNESCO 2009 - 640 p. ISBN: 9781844075546 Subjects--Topical Terms: Water-supplyᅠWater resources developmentᅠWatershed managementᅠ Dewey Class. No.: 363.61 SIM-S