Evolvement and Comparative Analysis of the Population Center Gravity and the Economy Gravity Center in Recent Twenty Years in China
XU Jian-hua, YUE Wen-ze
SCIENTIA GEOGRAPHICA SINICA ›› 2001, Vol. 21 ›› Issue (5) : 385-389.
Evolvement and Comparative Analysis of the Population Center Gravity and the Economy Gravity Center in Recent Twenty Years in China
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