Markus, John Guidebook book of electronic circuits / John Markus. - 1st ed. - New York : McGraw-Hill Education Companies, 1974 - xiii, 1067 p. : ill. ; 29 cm. Includes index. ISBN: 0770404453 Subjects--Topical Terms: Alarm CircuitsClock Circuts Dewey Class. No.: 621.381 / MAG