TY  - BOOK
AU  - Gabel, Robert A. and Roberts, Richard A.
TI  - Signals and linear systems
SN  - 9971511673
U1  - 621.38223 
PY  - 1987///
CY  - New York
PB  - John Wiley & Sons
KW  - Communication engineering
KW  - Engineering
KW  - Signal processing
ER  -