PDF(3764 KB)
Spatial Pattern Changes of Grain Supply and Demand in Beijing-Tianjin-Hebei Region
FENG Yue, LU Chunxia, MA Beibei
Resources Science ›› 2009, Vol. 31 ›› Issue (4) : 566-573.
PDF(3764 KB)
PDF(3764 KB)
Spatial Pattern Changes of Grain Supply and Demand in Beijing-Tianjin-Hebei Region
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