000 00286nam a2200121Ia 4500
008 220201s1971 xx 000 0 eng d
082 _a658.4
_bHEL
100 _aHeller (Front .A)
245 0 _aManagerical Decision Making
260 _bunknown (no)
_c1971
300 _a140
942 _2ddc
999 _c2268
_d2268