PDF(120 KB)
Analyzing Temporal and Spatial Distribution Characteristics of Pressure Index of Cultivated Land in China
ZHANG An-lu, ZHU Hong-bo
Resources Science ›› 2007, Vol. 29 ›› Issue (2) : 104-108.
PDF(120 KB)
PDF(120 KB)
Analyzing Temporal and Spatial Distribution Characteristics of Pressure Index of Cultivated Land in China
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