00422nam a22001577a 4500 12669 12669 210212b ||||| |||| 00| 0 eng d 629.83 T874 4779 John G. Truxal Automatic feedback control system 1st ed. Bombay: McGraw-Hill 1955 xiii, 675p. 27.00 Feedback control systems BK 0 0 ddc 0 629_830000000000000_T874 0 23378 CL CL 1973-10-20 Sankar’s Book Agency 629.83 T874 03999 2021-02-12 BK