00295nam a2200109Ia 4500008004100000040002500041082001800066100002000084245004000104260003300144300000800177230627s9999 xx 000 0 und d aNORSU-SiacNORSU-Sia a530.141 Sch9  aSchwarz, W. M. 0aIntermediate electromagnetic theory bJohn Wiley &Sons, Inc.c1973 a438