TY  - BOOK
AU  - Nagrath,I.J..
TI  - Control systems engineering / 
SN  - 8122411924
U1  - 629.8 
PY  - 1999///
CY  - New Delhi : 
PB  - New Age International , 
KW  - CONTROL ENGINEERING
N1  - Includes bibliography and index
ER  -