Han, J. -x. (1982). 东北北部早二叠世晚期有孔虫化石 - The late Early Permian Foraminifera in the north part of northeast China. 中国地质科学院沈阳地质矿产研究所所刊 - Bulletin of the Shenyang Institute of Geology and Mineral Resources. 4: 99-112 (In Chinese).
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Han, J. -x.
1982
东北北部早二叠世晚期有孔虫化石 - The late Early Permian Foraminifera in the north part of northeast China.
中国地质科学院沈阳地质矿产研究所所刊 - Bulletin of the Shenyang Institute of Geology and Mineral Resources