00347nam a2200121Ia 4500008004100000020001800041040002500059082001500084100001800099245005600117260004200173300001000215240301s9999    xx            000 0 und d  a9781680949124  aNORSU-BaycNORSU-Bay  a535.2  A77  a3G E-Learning 0aTheory, Practice and Techniques in Optics & Physics  aNew York, NYb3G E-learning LLCc2018  a237 p