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Dallas, Tex. : Society of Economic Paleontologists and Mineralogists, 1975.
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[Walton Hall, Bletchley Bucks] Open University Press [1972]
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Dordrecht ; New York : Springer, c2011.
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[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1987.
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Tulsa, Okla. : Society of Economic Paleontologists and Mineralogists, 1985.
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Berlin ; New York : Springer-Verlag, 1977.
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9.
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Tulsa, Okla. : Society of Economic Paleontologists and Mineralogists, 1977.
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