TY  - BOOK
AU  - Preston,T.R
AU  - Leng,R.A.
TI  - Matching ruminant production systems with available resources in the tropics and sub-tropics
U1  - 636 21
PY  - 1987///
CY  - 
PB  - Penambul books, 
KW  - Veterinary
N1  - Includes bibliographical references
ER  -