000 00271nam a2200121Ia 4500
008 190516s9999 xx 000 0 und d
100 _aHIRSCHEY MARK
245 0 _aMANAGERIAL ECONOMICS
250 _a1
260 _c2009
_bCENGAGE LEARNING
300 _a836
942 _cBK
999 _c18216
_d18216