TY  - BOOK
AU  - Hofstad M S Ed.
AU  -  Calnek B W Ed.
AU  -  Helmboldt C F Ed.
TI  - Disease of poultry
U1  - KZ351:4, L2 
PY  - 1972///
CY  - Ames Iowa 
PB  - State University Press      
KW  -  Fowl
KW  - Animal husbandry
ER  -