TY  - BOOK
AU  - Nagrath, I. J.
AU  - Gopal, M.
TI  - Control systems engineering
SN  - 0-85226-605-7
U1  - 629.8 
PY  - 1981///
CY  - New Delhi
PB  - Wiley eastern limited 
KW  - Control system
KW  - Control systems- Data processing
KW  - Optimal control system
N1  - Includes answers to problems; Includes index
ER  -