TY  - BOOK
AU  - Hillier, Frederick S.
AU  - Lieberman, Gerald J.
TI  - Operations research
SN  - 9788121902816
U1  - 658.4034 
PY  - 1967///
CY  - New Delhi
PB  - CBS
KW  - Operations research
N2  - 1997-08-13
ER  -