000 00290nam a2200121Ia 4500
008 220201s1994 xx 000 0 eng d
082 _a658.57
_bHIL
100 _aHilleir,f,s.
245 0 _aOperations Reference esearch .
260 _bCBS Publishers
_c1994
300 _a800
942 _2ddc
_01
999 _c7425
_d7425