$a Kp. Frogs of the Eleutherodactylus biporcatus group (Leptodactylidae) of Central America and Northern South America, including rediscovered, resurrected, and new taxa / Jay M. Savage. - New York, 2001. $b (American Museum of Natural History, Division of Vertebrate Zoology)
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$a A handlist with preliminary keys to the herpetofauna of Costa Rica / Jay M. Savage. - Los Angeles, 1980.