TY  - BOOK
AU  - Nichols, J. E.
TI  - Livestock Improvement: In relation to Heredity and Environment
U1  - 636.082 
PY  - 1957///
CY  - London
PB  - Oliver and Boyd
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Animal breeding
ER  -