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62h0052923 20140228155006.0 cr an |||||||| 140228s2007 a fsbm |000|0 eng | 3283530 9780549250968(e-book) : CNY371.35 NGL eng NGL a540 ; a544.37 Marenco, Pedro Jose. Sulfur isotope geochemistry and the end Permian mass extinction [electronic resource] / Pedro Jose Marenco. 2007. 1 online resource. Description based on online resource; title from title page (viewed Nov. 7, 2013) Thesis (Ph.D.)--University of Southern California.bGeological Sciences: Doctor of Philosophy, 2007. Includes bibliographical references. Evolutionary paleobiology. ; Paleontology ; Extinction (Biology) Permian. Electronic dissertations local. aInternet resource. aCN b010001 http://pqdt.bjzhongke.com.cn/Detail.aspx?pid=u9qEtIIHNqY%3d 010001 Bs3023 rCNY371.35 ; h1 bs1401