000 00507 a2200253 4500
001 1007786
020 _a26
041 _aeng
080 _a519.28:65.012.1 Chu-5
245 _aIntroduction to operations research.
250 _a
260 _a
260 _bJohn Wiley, New York,
260 _c1957
300 _ap.x,645,illus.,24cm.,
300 _c
490 _a
100 _aChurchman, C.W.;Ackoff, R.L.,Arnoff, E.L.
700 _a
650 _a
650 _a
942 _cBK
942 _2UDC
999 _c50321
_d50321