Variation in spatial pattern of grassland biomass in China from 1982 to 2003
XIN Xiao-ping, ZHANG Bao-hui, LI Gang, ZHANG Hong-bin, CHEN Bao-rui, YANG Gui-xia
JOURNAL OF NATURAL RESOURCES . 2009, (9): 1582 -1592 .  DOI: 10.11849/zrzyxb.2009.09.008