TY  - BOOK
AU  - Hafez , B.
AU  - Hafez, E.S.E
TI  - Reproduction in animals
SN  - 0683305778
U1  - 636.0892 
PY  - 2000///
CY  - Philadelphia
PB  - Lippincott,  Williams and Wilkins
KW  - Livestock
KW  - Reproduction
KW  - Veterinary physiology
N1  - Includes bibliograpical references
ER  -