000 00255nam a2200097Ia 4500
008 230915s9999 xx 000 0 und d
050 _aHF 5548.2 .O23 2010 C.4
100 _aO'BRIEN, JAMES A.
245 0 _aINTRODUCTION TO INFORMATION SYSTEMS.
942 _cBK
999 _c80824
_d80824