Pugh, Emerson M. Principles of electricity and magnetism / by Emerson M. Pugh and Emerson W. Pugh. - Reading, Mass. ; London : Addison-Wesley Pub. Co., c1960. - 430 p. : ill. ; 23 cm. - Addison-Wesley series in physics . Subjects--Topical Terms: Electricity.Magnetism. Dewey Class. No.: 537 / PUP 1960