Diefenderfer, A. James. Principles of electronic instrumentation / A. James Diefenderfer ; illustrated by Alexis Kelner. - 2d ed. - Philadelphia : Saunders, 1979. - xiii, 555 p. : ill. ; 28 cm. ISBN: 0721630766 Subjects--Index Terms: Electronic instruments. Dewey Class. No.: 621.381/028 / DIE