00385nam a2200133Ia 450000500170000000800410001702000180005805000210007610000220009724500510011925000080017026000380017865000350021620251229085047.0251229s9999    xx            000 0 und d  a9780072935882  a T58.6 .B75 2006  aO'Brien, James A. 0aManagement Information SytemscJames A O'Brien  a7th  aNew Yorkb McGraw Hill Irwin 2006  aManagement Information Systems