000 00394nam a2200133Ia 4500
008 130705s9999 xx 000 0 und d
020 _a0071151095
050 0 _aHF 5548.2 O23 2003
100 1 _aO'brien, James
245 1 0 _aIntroduction to information systems :
_bessentials for the e-business enterprise /
_cJames O'brien
250 _a1st ed
300 _ap.
942 _2lcc
_kHF 5548.2 O23 2003
999 _c4750
_d4750