TY  - BOOK
AU  - Hillier,Frederick S.
AU  - Lieberman,Gerald J.
TI  - Introduction to operations research
SN  - 007028914X
U1  - 658.4034 
PY  - 1990///
CY  - New York
PB  - McGraw-Hill
KW  - Operations research
N1  - Includes bibliographical references and indexes
ER  -