TY  - BOOK
AU  - Hazell, Peter B. R.
AU  - Norton, Roger D.
TI  - Mathematical programming for economic analysis in agriculture
T2  - Biological resource Management
SN  - 0029479304
U1  - 338.1015197 
PY  - 1986///
CY  - New York
PB  - Macmillan
ER  -