WANG Guanmin, GAO Liang, MA Zaiping School of Geo-Resource, Information, China University of Petroleum, Dongying, Shandong,.2007. Identification of Aeolian Silty Sand in Lacustrine Shale of the Shahejie Formation in the Jiyang Depression and Its Indication to Paleoclimate[J]. Acta Geologica Sinica,81(3):413-
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