Beijing Institute of Geology. Beijing Geological and Geographical Map (1:100000). Beijing: Geology Publishing House, 1975.
北京地质研究所。北京市地形地质图(1:10万)。北京:地质出版社,1975。
Beijing Institute of Geology. Beijing Geological and Geographical Map (1:100000). Beijing: Geology Publishing House, 1975.
北京地质研究所。北京市地形地质图(1:10万)。北京:地质出版社,1975。
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