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Journal of Stratigraphy
0253-4959
1986 Issue 1
xi qin ling fa xian zao ao tao shi ning guo qi bi shi
qu xin guo ;
..............page:77-78
hu nan wan bai zuo shi wan qi hong ceng
chu cheng ;
..............page:54-59
hu bei en shi ji qi xiang lin di qu de bai zuo ji di ceng
guan shao zeng ;
..............page:65-68+81