TY  - BOOK
AU  - Martin Michael J C
AU  -  Dension Raymond A Ed.
TI  - Case exercises in opertaions research
SN  - 0 471 57355 8
U1  - B2893, L1 
PY  - 1971///
CY  - London
PB  - John Wiley         
KW  - Operational Research
ER  -