Li, Y.-T. (1986). Non-marine Mollusca from Guanzhuang Formation in Pingyi County, Shandong Province. Bulletin of the Chinese Academy of Geological Sciences. 12: 69-81.
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Li, Y.-T.
1986
Non-marine Mollusca from Guanzhuang Formation in Pingyi County, Shandong Province
Bulletin of the Chinese Academy of Geological Sciences