TY  - GEN
AU  - Brooke,Michael 
AU  - Birkhead , Tim 
TI  - The Cambridge encyclopedia of ornithopology
SN  - 0521362059
U1  - 598.03 
PY  - 1991///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Zoology
KW  - Encyclopedia
ER  -