1. Farmers, Cotton, Water and Models: Introduction and Overview;Wehrheim,2008
2. Aral Sea: Experience and Lessons Learned Brief;Roll,2005
3. Aral;Létolle,1993
4. The Sustainability of Cotton: Consequences for Man and Environment;Kooistra,2006
5. Uzbekistan-Karshi Pumping Cascade Rehabilitation Project
http://www-wds.WorldBank.org/external/default/main?pagePK=64193027&piPK=64187937&theSitePK=523679&menuPK=64187510&searchMenuPK=64187283&siteName=WDS&entityID=000094946_00010405304782