TY  - JOUR
PY  - 1962//
TI  - Some Unsolved Problems in Problem Solving
JO  - OR: Operational research quarterly (1953)
A1  - Ackoff, Russell L.
SP  - 1
EP  - 11
VL  - 13
IS  - 1
N2  - <p>[Abstract unavailable]</p> 
LA  - 
SN  - 1473-2858
UR  - http://dx.doi.org/
ID  - ref1
ER  -