Siskind, Charles S.. Electrical Machines: Direct and Alternating Current / Textual Documents Charles S.Siskind. - 2nd ed. / - New York : McGraw - Hill book company , C1959. - 563p. ; 24cm. Subjects--Index Terms: Electrical Machines Direct Current Alternating Current G-Physics Dewey Class. No.: 537.23 / Si 82 El