Quantitative identification of driving force on wetland shrinkage over the source region of the Yellow River
LI Lin, LI Feng-xia, ZHU Xi-de, CHANG Guo-gang, GUO An-hong
JOURNAL OF NATURAL RESOURCES . 2009, (7): 1246 -1255 .  DOI: 10.11849/zrzyxb.2009.07.012