TY  - BOOK
AU  - Gopal, M.
TI  - Control Systems : Principles and Design 4th Ed
SN  - 9789380358178
U1  - 629.8 
PY  - 2012///
CY  - New Delhi
PB  - Tata mcGraw Hill
KW  - Control systems
KW  - Electronic Communication Engineering
ER  -