TY  - BOOK
AU  - Nagrath,I J.
AU  - Gopal,M.
TI  - Control systems engineering / 
SN  - 8122411924
U1  - 621.3815372 
PY  - 2003///
CY  - New Delhi : 
PB  - New Age International , 
KW  - AUTOMATIC CONTROL
N1  - Includes bibliography ,index
ER  -