TY  - BOOK
AU  - Appleby,Michael C
AU  - elson,arnold h
AU  - hughes,barry o
TI  - Poultry production systems : behaviour, management and welfare
SN  - 0851987974
U1  - 636.508 9 
PY  - 1992///
CY  - United Kingdom
PB  - CAB international
ER  -