TY  - BOOK
AU  - Hillier Frederick S
AU  -  Lieberman Gerald J
TI  - Operations research
U1  - B2893, L4;1-;2 
PY  - 1974///
CY  - San Francisco 
PB  -  Holden-Day        
KW  -  Mathematics
KW  - Operation research
N1  - Appendices (p
ER  -