TY  - GEN
AU  - Freeman, Roger L.
TI  - Reference manual for telecomunications Engineering
SN  - 0471867535
PY  - 1985///
CY  - New york
PB  - Jonh Wiley&Sons
KW  - TELECOMUNICAÇÖES
KW  - IM
KW  - MANUAIS
KW  - 621.391
KW  - med
KW  - fre
ER  -