Lal , Brij . A Text Book of Electricity and Magnetism / Textual Documents Brij Lal & N.Subrahmanyam. - 12th ed. / - Agra : Ratan Prakashan Mandir , 1983. - 703p. ; 22cm. Index Subjects--Index Terms: Electricity and Magnetism Magnetism G-Physics Dewey Class. No.: 537 / L 15 T