000 00297nam a2200133Ia 4500
008 230627s9999 xx 000 0 und d
040 _aNORSU-Sia
_cNORSU-Sia
082 _a005.74 D2625
100 _a3G E-Learning
245 0 _aDatabase Systems
260 _c2018
300 _a251
999 _c3193
_d3193