000 00277nam a2200109Ia 4500
008 221102s9999 xx 000 0 und d
100 _aShubin, John A
245 0 _aManagerial & industrial economics
260 _bRonald Press Comp
_aNew York
_c1961
300 _a518 p.
942 _cBK
999 _c391
_d391