Duellman, William E.,    1930- <br/><br/>
Frogs of the Genus Colostethus (Anura; Dendrobatidae) in the Andes o f Northen Peru /  
William E. Duellman 
 - Kansas :    Natural History Museum,    2004. 
 - 49 p. :    ill. ;    30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Frogs.
<br/><br/><label>Dewey Class. No.: </label>P F 597.8 DUE