TY  - BOOK
AU  - Thaler, Geoege J.
TI  - Automatic control systems
SN  - 8172240015
AV  - 24221-24225 
U1  - 629.820 22
PY  - 1993///
CY  - India.
PB  - Jaico Publishing House
N1  - Includes bibliography and index
ER  -