1. Water Resources in the Arid Realm;Agnew,1992
2. Water for Sustainable Development in the 21st Centuary;Biswas,1993
3. Water resources in arid region of China;Chen;Journal of Natural Resources,,1986
4. Study of the feasibility of sustained utilization of water resources;Cheng;ACTA Natural Resources,1992
5. Water-Soil Resources and its Reasonable Development and Utilization in Hexi Corridor;Cheng,1987