Gupta, S.L. . Electrodynamics: Electricity and Magnetism / Textual Documents S.L.Gupta & S.P.Singh. - 4th ed. / - Meerut : Pragati Prakasan , 1975. - 474p. ; 22cm. Subjects--Index Terms: Electrodynamics Electricity and Magnetism Magnetism G-Physics Dewey Class. No.: 537 / G 959 El