Elements of control systems analysis : classical and modern approaches / [by] Chih-fan Chen [and] I. John Haas. Chen, Chih-fan, 1924- Haas, I. John (Ignatius John), 1920- joint author. Control theory. QA402.3 .C55 519.9 CHE Includes bibliographical references and index.. New Delhi : Prentice-Hall, c1968. c1968. 1968 Text viii, 471 p. : eng