TY  - BOOK
AU  - Pettingill, Olin Sewall
TI  - Ornithology: in laboratory and field
SN  - 9780125524551
U1  - 598 
PY  - 1985///
CY  - San Diego
PB  - Academic 
KW  - Zoology
KW  - Ornithology 	
KW  - Birds
ER  -