ZHAO Xiuli, ZHANG Xiqi, WANG Mingzhen, LI Shoujun College of Geo-info Science, Engineering, Shandong University of Science, Technology, Qingdao,.2007. Early Permian Sporo-Pollen Assemblages in Dongtan, Yanzhou, Shandong Province[J]. Acta Geologica Sinica,81(1):9-15
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