TY  - BOOK
AU  -  Duellman,William E.
TI  -  Frogs of the Genus Colostethus (Anura; Dendrobatidae) in the Andes o f Northen Peru / 
U1  -  P F 597.8 DUE 
PY  - 2004///
CY  -  Kansas : 
PB  -  Natural History Museum, 
KW  -  Frogs
ER  -