Changing Characteristics of Land-Use and Land-Cover in theHeihe River Basin, China during 1987-2000
ZHANG Yu, LIU Gui-min, MA Hai-yan, WANG Gen-xu
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2004, (6): 740 -746 .  DOI: 10.7522/j.issn.1000-0240.2004.0117

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