海相沉积有机质的碳同位素记录及其环境意义—

腾格尔;刘文汇;徐永昌;陈践发

Organic carbon isotope record in marine sediment and its environmental significance—An example from Ordos Basin, NW China

Tengger; LIU Wenhui; XU Yongchang and CHEN Jianfa

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