TY  - BOOK
AU  -  Nagrath I J. 
AU  - Gopal M
TI  - Control systems engineering
SN  - 978-81-224-2008-1 
U1  - 629.8 
PY  - 2011///
CY  - New delhi
PB  -  New Age Int. 
KW  - Engineering
ER  -