00250nam a2200109Ia 4500008004100000041001200041082001100053100001800064245004600082260000600128650000600134221030s9999    xx            000 0 und d  aEnglish  a105.23  aA. S. Mahajan 0aElectricity & Magnetismcby A. S. Mahajan  c0  aB