Pugh, Emerson M. Principles of electricity and magnetism / Emerson M. Pugh and Emerson W. Pugh. - Reading, Mass. : Addison-Wesley, 1962. - xi, 430 p. : ill. ; 24 cm. Includes index. 392 392 Subjects--Topical Terms: Electricity.Magnetism. Dewey Class. No.: 537 / P964p