TY  - BOOK
AU  - DUKKIPATI, RAO V.
TI  - CONTROL SYSTEMS
SN  - 8173195549
U1  - 621.317/DUK 
PY  - 2008///
CY  - NEW DELHI.
PB  - NAROSA PUBLISHING HOUSE PVT. LTD., NEW DELHI
ER  -