A°stro¨m, Karl J. 1934- Computer-controlled systems theory and design Karl J. A°stro¨m, Bjo¨rn Wittenmark. - 3rd ed. - Upper Saddle River, N.J. Prentice Hall c1997. - xiv, 557 p. ill. 25 cm. Includes bibliographical references (p. 537-548) and index. ISBN: 0133148998 Subjects--Topical Terms: Automatic control--Data processing.