摘要
20091172 Niu Shaowu(Tianjin Institute of Geology and Mineral Resources,China Geological Survey,Tianjin 300170,China) Conchostracan Biostratigraphy of the Dabeigou Formation in the Luanping Basin,Northern Hebei Province,China and Establishment of a Dabeigou-Aged Stratotype Section(Geogolical Bulletin of China,ISSN1671-2552,
