TY  - BOOK
AU  - Rand, G K (Ed.) 
TI  - Operational research' 87: : Proceedings of the eleventh international conference on operational research, Buenos Aries, Argentina,10-14, 1987
SN  - 044702806
PY  - 1988///
CY  - New York: 
PB  - Amsterdam New York, Oxford, 
KW  - Agriculture
KW  - Survey
KW  - Model
ER  -