TY  - BOOK
AU  - Nagrath, I. J.
AU  - Gopal, M
TI  - Control systems engineering [5th ed.]
SN  - 9788122420081
U1  - 629.8312 
PY  - 2007///
CY  - New Delhi
PB  - New Age International Publishers
KW  - Electrical engineering
KW  - Control system
ER  -