Revision of the Amphibia and Pisces of the Permian of North America
E. C. Case (Ermine Cowles) b. 1871 E. H Sellards (Elias Howard) 1875-1961.; Louis Hussakof 1881-
Washington, D.C. Carnegie Institution of Washington 1911
Disponible en
IGC - Instituto de Geociências
(560.172 C337r )(Obténgalo)