Bibliography
Formas, J. R., and L. M. Brieva . 1992. Immunological relationships of the South American frog genus Eupsophus (Leptodactylidae). Biochemical Systematics and Ecology 20: 747-751.
Formas, J. R., and L. M. Brieva . 1992. Immunological relationships of the South American frog genus Eupsophus (Leptodactylidae). Biochemical Systematics and Ecology 20: 747-751.
