Heyer, W. Ronald, <br/><br/>
A preliminary analysis of the intergeneric relationships of the frog family Leptodactylidae / 
by W. Ronald Heyer. 
 - Washington :  Smithsonian Institution Press,  1975. 
 - iii, 55 p. :  ill. ;  27 cm. 
 - Smithsonian contributions to zoology ;  no.199. .
 - Smithsonian contributions to zoology ;  no.199. .
<br/><br/>Bibliography: p. 54-55. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leptodactylidae.<br/>Reptiles--Evolution