000 00342nam a2200133Ia 4500
008 180413s9999 xx 000 0 und d
020 _a534249248
100 _aLaudon Kenneth C
245 0 _aInformation Technology Concepts And Issues
260 _bDanvers : Itp 1994.
300 _a396
546 _aEng
690 _aInformation Technology.
999 _c25259
_d25259