00305nam a2200121Ia 4500008004100000020001800041040002500059082001500084100001800099245002100117260003500138300001000173240301s9999    xx            000 0 und d  a9781680953800  aNORSU-BaycNORSU-Bay  a500.2  A77  a3G E-learning 0aPhysical Science  aUAEb3G Elearning FZ LLCc2017  a161 p