Nagrath, I. J. . Control systems engineering / I. J. Nagrath. - 5th ed / . - New Delhi : New Age International , 1999. - xv,826p. : ill.,figs. ; 23 cm . Includes bibliography and index ISBN: 8122411924 Rs. 240.00 Subjects--Index Terms: CONTROL ENGINEERING Dewey Class. No.: 629.8 / NAG/C