TY  - BOOK
AU  -  Duellman,William E.
AU  -  Wiens,John J.
TI  -  Hylid frogs of the genus scinax wagler, 1830, in Amazonian Ecuador a nd Peru / 
U1  -  P S 597.89 DUE 
PY  - 1993///
CY  -  Kansas  : 
PB  -  The University of Kansas, 
KW  -  Frogs
N1  -  Includes bibliographical references
ER  -