TY  - BOOK
AU  - Phillips,Charles L.
AU  - Nagle,H.Troy
TI  - Digital control system analysis and design
SN  - 0132120437
U1  - TJ/223.M53 
PY  - 1984///
CY  - Englewood Cliffs
PB  - Prentice-Hall.
KW  - Digital control systems.
KW  - Electric filters.
ER  -