Gupta, Sushil Das Control system theory: a textbook for engineering students / Sushil Das Gupta. - 3rd ed. - Delhi: Khanna Publishers, c1983. - xiv, 1052 p.: ill.; 22 cm. Includes index English Subjects--Topical Terms: Control theoryFeedback control systemsAutomatic control Dewey Class. No.: 629.8/GUC