TY  - BOOK
AU  - Penning de Vries,F.W.T.
AU  - Teng,P.S.
AU  - Metselaar,Klaas
TI  - Systems approaches for agricultural development: proceedings of the International Symposium on Systems Approaches for Agricultural Development
SN  - 0792318803 
AV  - S494.5.S95  1992
PY  - 1992///
CY  - London 
PB  - Kluwer Academic Publishers
KW  - Agricultural systems
KW  - Congresses
KW  - Crops
KW  - Mathematical models
KW  - Research
KW  - Rice
ER  -