000 00270nam a2200097Ia 4500
008 230915s9999 xx 000 0 und d
050 _aT 58.6 .S73 1992 C.1
100 _aRALPH M. STAIR
245 0 _aPRINCIPLES OF INFORMATION SYSTEMS :A MANAGERIAL APPROACH
942 _cBK
999 _c202690
_d202690