000 00310nam a2200097Ia 4500
008 130123s9999 xx 000 0 und d
082 _a O'B
100 _aO'Brien, James J.
245 _aManagement Information Systems : Concepts , Techniques & Applications .
260 _aNew York
_bVan Nostrands Reinhold Co.
_c1970
999 _c83800
_d83800