PDF(262 KB)
Research on the Space-time Distribution of Agricultural Natural Disaster in Zhou, Qin, Western and Eastern Han Dynasties
BU Feng-xian
GEOGRAPHICAL SCIENCE ›› 2002, Vol. 22 ›› Issue (4) : 463-467.
PDF(262 KB)
PDF(262 KB)
Research on the Space-time Distribution of Agricultural Natural Disaster in Zhou, Qin, Western and Eastern Han Dynasties
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