TY  - BOOK
AU  - Hillier, Fredrick S.
AU  - Lieberman, Gerald J.
TI  - Introduction to operations research
U1  - 001.424 HIL 
PY  - 1967///
CY  - San Francisco
PB  - Holder-Day
KW  - Operations research
N1  - Includes bibliograhipcal references
ER  -