TY  - GEN
AU  - Phillips, Charles L.; Parr, John
TI  - Feedback control systems, 5th Ed
SN  - 9780131866140
U1  - 629.83 PHI 
PY  - 2011///
CY  - India
PB  - Prentice-Hall
KW  - control system
N1  - Avionics Reference Books
ER  -