00268nam a2200109Ia 4500008004100000041001200041082001100053100001600064245006600080260000600146650000600152221030s9999    xx            000 0 und d  aEnglish  a105.23  aP. V. Gupta 0aIntroductory Course in Electromagnetic Fieldscby P. V. Gupta  c0  aB