TY  - BOOK
AU  - Ackoff Russell L
AU  -  Sasieni Maurice W
TI  - Fundamentals of operations research
SN  - 0 85226 004 0
U1  - B2893, K8 
PY  - 1968///
CY  - New York
PB  - Wiley         
KW  - Operational Research
N1  - Bibliography at the end of each chapter
ER  -