000 00309nam a2200121Ia 4500
008 221001s1967 xx 000 0 eng d
082 _a003 CHU
100 _aChurchman, C. West
245 0 _aIntroduction to operations research
260 _aNew York
_bJohn Wiley
_c1967
300 _ax, 645p.
942 _2ddc
_cBK
999 _c6936
_d6936