TY  - BOOK
AU  - Ackoff, Russell L.
TI  - Progress in Operations Research
SN  - 0471003301
U1  - 001.64 
PY  - 1961///
CY  - New York
PB  - John Wiley and Sons, Inc.
KW  - Gneralities
KW  - Knowledge
KW  - Operations research
ER  -