TY  - GEN
AU  - Ackoff,R.L
AU  - Hertz,D.B.
AU  - Eddison,R.T.
TI  - Progress in operations research, vol. 1-12
T2  - (Publications in operations research)
PY  - 1961///
CY  - New York : 
PB  - John Wiley
KW  - Operations research
ER  -