TY  - BOOK
AU  - Gopal, M
TI  - Control system: principles and design
SN  - 9780070482890
U1  - 629.8 G9596c 
PY  - 2002///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Automatic control
KW  - Control theory
ER  -