Colbert, Edwin Harris 1905-2001 Triassic metoposaurid amphibians / Edwin Harris Colbert, John Imbrie. -- New York : [s.n.], 1956 - p. 403-452. -- (Bulletin of the American Museum of Natural History ; 110, 6). Subjects--Topical Terms: Anfibios Universal Decimal Class. No.: 597.6