Dorf, Richard C. Modern control systems / Richard C. Dorf. - 3d ed. - Reading, Mass. : Addison-Wesley, c1980. - xiv, 493 p. : ill. ; 24 cm. - Addison-Wesley series in electrical engineering . Includes bibliographical references and index. ISBN: 0201012588 : $19.95 LCCN: 79016320 Subjects--Topical Terms: Feedback control systems. LC Class. No.: TJ216 / .D67 1980 Dewey Class. No.: 629.83