A study of ecological water requirements in Northwest China PartⅡ:Application of remote sensing and GIS
WANG Fang, WANG Hao, CHEN Min-jian, WANG Yan, TANG Ke-wang
JOURNAL OF NATURAL RESOURCES . 2002, (2): 129 -137 .  DOI: 10.11849/zrzyxb.2002.02.001