TY  - BOOK
AU  - Freeman, Roger L.
TI  - Telecommunication System Engineering : : Analog and Digital Network Design
SN  - 0471029556
PY  - 1980///
CY  - New York : 
PB  - Wiley, 
KW  - TELEFONIA
N1  - Indice: p. 459/480
ER  -