TY  - BOOK
AU  - Nagrath, I.J. Gopal, M 
TI  - Control systems engineering 
SN  - 81-224-1192-4 
U1  - 629.8 GOP  
PY  - 2001///
CY  - Newage international publishers 
PB  - Bangalore 
KW  - CONTROL SYSTEM
ER  -