TY  - BOOK
AU  - Derek H. Goodwin
TI  - Sheep management and production : a practical guide for farmers and students
SN  - 0091380901, 009138091X (pbk)
AV  - SF375.G66 1971 
PY  - 1971///
CY  - London 
PB  - hutchinson & co press ltd.
ER  -