Heyer, Ronald W. <br/><br/>
Systematics of the pentadactylus species group of the frog genus leptodactylus (arrphibia :  leptodacylidae) / 
W. Ronald Heyer. 
 - City of Washington :  Smithsonian Institution Press,  1979. 
 - 43 p. :  ill. ;  27 cm. 
 - Smithsonian contributions to zoology ;  no.301. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leptodactylus marmoratus--Classification.<br/>Amphibians--Classification.