Kerchner, Russell M. 1899-1978. Alternating-current circuits / [by] Russell M. Kerchner [and] George F. Corcoran. - 4th ed. - New York: John Wiley & Sons, [1960] - 602 p. illus. 22 cm. Subjects--Topical Terms: Electric currents, Alternating.Electric circuits. Dewey Class. No.: 621.31913 / K453a