Gray, Truman S. Applied electronics : a first course in electronics, electron tubes, and associated circuits / Truman S. Gray. - 2nd ed. - New York : John Willey and Sons Inc, c 1967. - xxviii, 881 p. : ill. ; 22 cm. - Principles of electrical engineering series . Includes index. 331 331 Subjects--Topical Terms: Electronics. Dewey Class. No.: 621.34 / G791a