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1by Davis, Richard A. (Richard Albert), 1937- 67417, Ethington, Raymond Lindsay, 1929- 67418, Society of Economic Paleontologists and Mineralogists. 49565
Published 1976Texto bibliotecaUNCO AR -
2by Zenger, Donald H. 67421, Dunham, John B. 67422, Ethington, Raymond Lindsay, 1929- 67418, Society of Economic Paleontologists and Mineralogists. 49565
Published 1980Texto bibliotecaUNCO AR