TY  - GEN
AU  - North,Mack O.
AU  - Bell,Ronald D.
TI  - Comercial chicken production manual
SN  - 0-442-3881-2
U1  - 636.5 / N677C 
PY  - 1990///
CY  - New York
PB  - An Avi Book
KW  - Gallinas-manuales
ER  -