TY  - BOOK
AU  - Duellman, William E.
TI  - Patterns of Distribution of Amphibians: A Global Perspective
SN  - 9780801861154
U1  - 597.809 
PY  - 1999///
CY  - London
PB  - Johns Hopkins University Press
N1  - 1. Global Distribution of Amphibians: Patterns, Conversation and Future Challenges
2. Distribution Patterns  of Amphibians in the Nearctic Region of North America
ER  -