TY  - BOOK
AU  - France, J.
TI  - Mathematical models in agriculture; a quantitative approach to problems in agriculture and related sciences
U1  - 519.:63 M4 
PY  - 1984///
CY  - London
PB  - Butterworths
KW  -  J.France and J.H.M.Thornley.
KW  - Thornley, J.H.M., joint author
KW  - Agriculture-Mathematical models
ER  -