000 00303nam a2200121Ia 4500
008 220201s1975 xx 000 0 eng d
082 _a658.57
_bMAK
100 _aMakower (M.S) & William(E)
245 0 _aOperational rersearch
260 _bS.S.PUBLISHEReference S .
_c1975
300 _a278
942 _2ddc
999 _c4312
_d4312