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Comparative Analysis of Prehistoric Sites Distribution Around 4 ka B.P. in Gansu-Qinghai Region Based on GIS
Guang-liang HOU, Chang-jun XU, Jing-yi XIAO
SCIENTIA GEOGRAPHICA SINICA . 2012, (1): 116 -120 .  DOI: 10.13249/j.cnki.sgs.2012.01.116