Bibliography
Greding, E. J., Jr. 1977. Biochemical evidence concerning evolutionary relationships among four species of frogs in the genus Rana, or, the songs and silences of night. Bulletin of the Chicago Herpetological Society 12: 58-59.
Greding, E. J., Jr. 1977. Biochemical evidence concerning evolutionary relationships among four species of frogs in the genus Rana, or, the songs and silences of night. Bulletin of the Chicago Herpetological Society 12: 58-59.
