00287nam a2200121Ia 4500008004100000040002500041082002200066100001800088245002600106250001600132260000900148300000800157230627s9999 xx 000 0 und d aNORSU-SiacNORSU-Sia a620.0042505 C7393 a3G E-Learning 0aComputer Aided Design a2nd Edition c2018 a312