黄河宁夏段河道基本生态环境需水量研究

许拯民;韩宇平;王培燕

Study on the Basic Ecological Water Demand in the Ningxia Reach of the Yellow River

Xu zheng-min;HAN Yu-ping;WANG Pei-yan

人民黄河 . 2009, (5): 74 -76 .