TY  - BOOK
AU  - Ecker,Joseph G..
AU  - Kupferschmid,Michal  .
TI  - Introduction to operations research / 
SN  - 0471633623
U1  - 003 
PY  - 1988///
CY  - New York : 
PB  - John Wiley , 
KW  - OPERATIONS RESEARCH
N1  - NULL
ER  -