Dorf, Richard C. Modern control systems / Richard C. Dorf and Robert H. Bishop. - 11th ed. - Delhi : Pearson Education, c2008 [Reprinted 2009, 2012]. - xxv, 1018 pages : illustrations ; 25 cm. Includes index. ISBN: 9788131718872 Subjects--Topical Terms: Feedback control systems. Dewey Class. No.: 629.83 DOR