TY  - BOOK
AU  - Hillier Frederick S
AU  -  Lieberman Gerald J
TI  - Operations research
SN  - 0816238561 (hbk)
U1  - B2893, L4 
PY  - 1974///
CY  - London Holden-Day, Inc.
KW  - Operation research
N1  - Index 791-800p
ER  -