TY  - BOOK
AU  - Brush, Alan H
AU  - Clark, George A
TI  - Perspectives in ornithology : essays presented for the centennial of the American Ornithologists' Union
SN  - 9780521113045
U1  - 598 BRU 
PY  - 2009///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Birds
N1  - Includes index
ER  -