TY  - BOOK
AU  - Gabel, Robert A.
TI  - Signals and linear systems .- 3rd. Ed / Robert A. Gabel, Richard A. Roberts
SN  - 0471838217
CY  - New York : Wiley, C1987.
PB  - New York : Wiley, C1987.
KW  - Electric network analysis.          Linear systems
ER  -