TY  - BOOK
AU  - Gabel, Robert. A Roberts, Richard, A 
TI  - Signals and linear systems 
SN  - 9971-51-167-3 
U1  - 621.382 2 GOB  
PY  - 1987///
CY  - John wiley sons 
PB  - New York 
KW  - SIGNAL PROCESSING
ER  -