Bogart, J P Polyploid amphibians: three more diploid-tetraploid cryptic species of frogs. [electronic resource] - Science (New York, N.Y.) Jul 1976 - 334-5 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. ISSN: 0036-8075 Standard No.: 10.1126/science.935871 doi Subjects--Topical Terms: AfricaAnimalsAnura--classificationPolyploidy