The South American herpetofauna:  its origin, evolution and dispersal, 
William E. Duellman 
 - Lawrence, Kansas:  The University of Kansas,  1979 
 - 485 pages ;   35 cm. 
 - Monograph of the Museum of Natural History  number 7 .
<br/><br/><label>ISBN: </label>0893380083 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amphibians--Congresses.<br/>Reptiles--Congresses.