TY  - BOOK
AU  - Perrins,Christopher M.
TI  - The illustrated encyclopedia of birds: : The definitive reference to birds of the world
SN  - 0130836354
U1  - 598.03 23
PY  - 1990///
CY  - New York : 
PB  - Prentice Hall , 
KW  - Birds - Encyclopedias
ER  -