TY  - BOOK
AU  - Hartley,Ronald V.
TI  - Operations research: a managerial emphasis 
SN  - 0876206410
U1  - 658.4034 
PY  - 1976///
CY  - Pacific Palisades, Calif.
PB  - Goodyear Pub. Co.
KW  - Operations research
N1  - Includes index
ER  -