000 00266nam a2200109Ia 4500
008 170711s9999 xx 000 0 und d
050 _a658.4 H112
100 _a"Haag, Stephen"
245 0 _aManagement information systems
260 _c2000
942 _2lcc
_cBK
_kCirc.
999 _c19890
_d19890