PDF(561 KB)
THE HISTORICAL AGRICULTURAL DEVELOPMENT AND THE CHANGES OF THE VEGETATION IN THE AREA OF CHENGDE AND WEICHANG
Niu Zhongxun, Pu Hanxin
GEOGRAPHICAL RESEARCH ›› 1984, Vol. 3 ›› Issue (1) : 102-108.
PDF(561 KB)
PDF(561 KB)
THE HISTORICAL AGRICULTURAL DEVELOPMENT AND THE CHANGES OF THE VEGETATION IN THE AREA OF CHENGDE AND WEICHANG
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