TY  - BOOK
AU  - Buffa
AU  - James S. Dyer
AU  - Elwood S. Buffa
TI  - Management science: operations research
U1  - 658.4038 
PY  - 1977///
CY  - New York
PB  - John woley and sons Hamiton publication
KW  - Management science
KW  - Operations Research
ER  -