1. Abbink, K., Moller, L.C., O’Hara, S., 2005. The Syr Darya river conflict: an experimental case study. http://www.igier.unibocconi.it/files/documents/events/SyrDarya.pdf.
2. Regulating Fresh Water Resources in Subsurface Aquifers;Akramov,1991
3. Underground Water Resources and their Use in Uzbekistan;Borisov,1990
4. CAWATERinfo, 2008a. On line data of the Syrdarya river basin. CAWATERinfo: http://cawater-info.net/Syrdarya/index_e.htm.
5. CAWATERinfo, 2008b. On line data of the Uzhydromet Center. CAWATERinfo: http://cawater-info.net/bd/index_e.htm.