D'Azzo, John Joachim. Feedback control system analysis and synthesis / John J. D'Azzo [ and] Constantine H. Houpis. - 2nd ed. - New York : McGraw-Hill, [c1966] - xx, 824 p. illus. 23 cm. - McGraw-Hill electrical and electronic engineering series . Includes bibliographical references. Subjects--Topical Terms: Feedback control systems. Dewey Class. No.: 629.8312