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贵州西部晚二叠世煤系植物古生态“········”一郭英廷中国矿业学院北京研究生部青海西南部海相侏罗纪地层新认识爪一白生海青海省区域地质调查综合地质大队贵州紫云羊场剖面马平阶一栖霞阶缝类 ···················一李红英贵州石油勘探指挥部豫西
The paleobiology of the late Permian coal system in west Guizhou Province "··············································································································································· 1 Brigade Guizhou Ziyun sheep farm profile Ma Ping order a Qixia stitches ···································································· Li Hongying Guizhou Petroleum Exploration Command West