Chaffee, Emory Leon, ( 1885- ). Theory of thermionic vacuum tubes; fundamentals, amplifiers, detectors, - 1st ed., 5th impression. - New York and London, McGraw-Hill book company, inc., 1933. - xxiii, 652 p. vi pl., diagrs. 23 cm. LCCN: unk83018479 Subjects--Topical Terms: TUBOS AL VACÍO TERMIÓNICOS,TEORÍA