TY  - BOOK
AU  - Charles, David
AU  - Walker, Andrew
TI  - Poultry environment problems : a guide to solutions
SN  - 1-897676-97-2
U1  - 636.5 C4 
PY  - 2002///
CY  - United Kingdom
PB  -  Nottingham University Press
KW  - Aves de corral
ER  -