1. The Global Water System Project: Science Framework and Implementation Activities;Framing Committee of the Global Water System Project, Earth System Science Partnership Project,2004
2. Humans transforming the global water system;Vörösmarty;Eos AGU Trans,2004
3. Comprehensive Assessment of the Freshwater Resources of the World;United Nations,1997
4. Atlas of World Water Balance and Water Resources of the Earth,1978
5. Comprehensive Assessment of the Freshwater Resources and Water Availability in the World: Assessment of Water Resources and Water Availability in the World;Shiklomanov,1997