TY  - BOOK
AU  - x, x
AU  - Ackoff,Russell L.
TI  - Progress in operations research: x
SN  - x
U1  - 658.54/ACP 
PY  - 1966///
CY  - N.Y.
PB  - John Wiley
KW  - Industrial Management
N1  - x
ER  -