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Monografía
monografia Rebiun05817984 https://catalogo.rebiun.org/rebiun/record/Rebiun05817984 950419s1967 gr a 001 0 spa d UOV0744327 ES-OvBU. spa Clark, Leigh 1931-) Conodonts and zonation of the upper devonian in the great basin by David L. Clark and Raymond L. Ethington New York The Geological Society of America 1967 New York New York The Geological Society of America X, 94 p. : il. ; 25 cm X, 94 p. : il. ; 25 cm Memoir / The Geological Society of America 103 Indice Bibliografia Ethington, Raymond L. coaut Memoir (The Geological Society of America) 103