000 00380nam a2200145Ia 4500
008 100324s9999 xx 000 0 und d
100 _aSpencer M.H
245 _aManagerial economics
250 _a3
260 _c1968
_bIrwin Inc.
_aChicago
366 _b1968
650 _aECONOMICS
942 _cBK
999 _c64945
_d64945