TY  - BOOK
AU  - Nakra , B.C.
TI  - Theory and applications of automatic controls
SN  - 8122411444
U1  - 629.8 NAK 
PY  - 2004///
CY  - New Delhi
PB  - New Age International Publishers
KW  - Control System Engineering
KW  - Automatic control systems
ER  -