00433nam a2200157Ia 4500008004100000082001700041100002300058245004000081260004600121300000800167650001600175650001400191653002400205700002300229700002300252170901s1957    xx            000 0 und d  a001.64bC36I  aChurchman, C. West 0aIntroduction to Operations Research  aNew YorkbJohn Wiley and Sons, Inc.c1957  a645  aGneralities  aKnowledge  aOperations research  aAckoff, Russell L.  aArnoff, E. Leonard