TY  - BOOK
AU  - Pettingill, Sewan Olin
AU  - Breckenridge, Walter J.
TI  - Ornithology in labaratory and field
SN  - 0125524552
AV  - QL677.5 .P4 1985 
PY  - 1985///
CY  - New York
PB  - Academic press
KW  - Ornithology
N1  - Includes index
ER  -