TY  - BOOK
AU  - Levan, N.
TI  - Systems and signals
T2  - university series in modern engineering
SN  - 0911575405
PY  - 1987///
CY  - New York
PB  - Optimization Software, Inc.
KW  - SIGNAL THEORY
KW  - SYSTEM ANALYSIS
KW  - TELECOMUNICATION
ER  -