00346nam a2200109Ia 4500008004100000082001500041100001500056245005300071942000700124952009000131999001500221190710s9999    xx            000 0 und d  a537.1 G959  aGupta, R K 0aMathematical theory of electricity and magnetism  cBK  00104070aRIEBPLbRIEBPLd2019-07-10l0p26234r2019-07-10 00:00:00w2019-07-10yBK  c8475d8475