Society of Economic Paleontologists and Mineralogists. (1954). Upper Guadalupian Facies. Permian Reef Complex. Guadalupe Mountains, New Mexico and West Texas. Soc. of Economic Paleontologists and Mineralogists.
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Chicago-viite (17. p.)
Society of Economic Paleontologists and Mineralogists. Upper Guadalupian Facies. Permian Reef Complex. Guadalupe Mountains, New Mexico and West Texas. Tulsa, Okl: Soc. of Economic Paleontologists and Mineralogists, 1954.
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MLA-viite (9. p.)
Society of Economic Paleontologists and Mineralogists. Upper Guadalupian Facies. Permian Reef Complex. Guadalupe Mountains, New Mexico and West Texas. Soc. of Economic Paleontologists and Mineralogists, 1954.
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