Space Difference Research of the Grain Production in Hebei Province
WANG Qian, JIN Xiao-bin, AYITUERXUN Shamuxi, ZHOU Yin-kang
JOURNAL OF NATURAL RESOURCES ›› 2010, Vol. 25 ›› Issue (9) : 1525-1535.
Space Difference Research of the Grain Production in Hebei Province
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