00326nam a2200121Ia 4500008004100000041001200041082001600053100001600069245006600085260003700151300000800188650000800196221030s9999    xx            000 0 und d  aEnglish  a105.23bGup  aP. V. Gupta 0aIntroductory Course in Electromagnetic Fieldscby P. V. Gupta  bDhanpat Rai PubaNew Delhic2000  a406  aEMT