Yu, J.-S. (1982). New advances in the study of Jurassic and Cretaceous non-marine bivalve researches in Hebei. Bulletin of the Institute of Geology, Chinese Academy of Geological Sciences. 4:48.
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Yu, J.-S.
1982
New advances in the study of Jurassic and Cretaceous non-marine bivalve researches in Hebei
Bulletin of the Institute of Geology, Chinese Academy of Geological Sciences