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- [5] Molecular fossils and sedimentary environment of the cretaceous lower Qingshankou formation in eastern Songliao Basin, Northeast China Journal of Earth Science, 2010, 21 : 216 - 218
- [7] Molecular Fossils and Sedimentary Environment of the Cretaceous Lower Qingshankou Formation in Eastern Songliao Basin, Northeast China JOURNAL OF EARTH SCIENCE, 2010, 21 : 216 - 218