ANCIENT VEGETATION INTERPRETED BY ALLUVIAL POLLEN AT NORTHERN MOUNTAIN AREA OF HEBEI PROVINCE
Xu Qinghai, Yang Xiaolan
SCIENTIA GEOGRAPHICA SINICA ›› 1998, Vol. 18 ›› Issue (5) : 486-492.
ANCIENT VEGETATION INTERPRETED BY ALLUVIAL POLLEN AT NORTHERN MOUNTAIN AREA OF HEBEI PROVINCE
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