Markus, John, 1911- Handbook of industrial electronic control circuits / by John Markus and Vin Zeluff. - 1st ed. - New York, McGraw-Hill, 1956. - xiv ,352 p. : illus. ; 29 cm. Subjects--Topical Terms: Electronic circuits.Electronic control. Dewey Class. No.: 621.343 621.38 / MAH 1956