Astrom, Karl J. 1934- Computer controlled systems : theory and design / Karl J. Astrom, Bjorn Wittenmark - Englewood Cliffs, N.J. : Prentice-Hall, 1984 - 430 p. : ill. ; 25 cm. Includes bibliographies and index ISBN: 0131643193 Subjects--Topical Terms: Automatic control--Data processing