Distribution of Bivalve Fossils in Permian Coal-Bearing Strata in Pingdingshan-Yuxian Coal Field in Henan Provinceand its Significance[J]. COAL GEOLOGY & EXPLORATION, 1987, 15(6): 26-26.
Citation: Distribution of Bivalve Fossils in Permian Coal-Bearing Strata in Pingdingshan-Yuxian Coal Field in Henan Provinceand its Significance[J]. COAL GEOLOGY & EXPLORATION, 1987, 15(6): 26-26.

Distribution of Bivalve Fossils in Permian Coal-Bearing Strata in Pingdingshan-Yuxian Coal Field in Henan Provinceand its Significance

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