Duellman, William E.,    1930- <br/><br/>
Anuran amphibians from the cordillera de  Huancabamba, northern Peru :    Systematics. ecolo, and biogeography /  
William E. Duellman and Erik R. Wild , 
 - Kansas :    The University of Kansas,    1993 
 - 53p. :    ill. ;    23 cm. 
 - Occasional papers of the Museum of Natural Hitory .
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Amphibians -- Geographical distributions
<br/><br/><label>Dewey Class. No.: </label>P 597.8 DUE