Discrete-time control systems / Katsuhiko Ogata. Ogata, Katsuhiko. Discrete-time systems. Control theory. QA402 .O4 1987 001.64 19 OGD Includes bibliographical references and index. Englewood Cliffs, N.J. : Prentice-Hall, c1987. c1987. 1987 Text viii, 994 p. : eng