7CHU Xuelei, ZHANG Tonggang, ZHANG Qirui, FENG Lianjun & ZHANG Fusong1. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China,2. Key Laboratory for Mineral Resources Research, Chinese Academy of Sciences, Beijing 100029, China Correspondence should be addressed to Chu Xuelei (email: xlchu@mail.c-geos.ac.cn).Carbon isotopic variations of Proterozoic carbonates in Jixian, Tianjin, China[J].Science China Earth Sciences,2004,47(2):160-170. 被引量：14
