TY  - GEN
AU  - Freeman,Roger L.
TI  - Telecommunication transmission handbook
SN  - 0471080292
U1  - 621.38 
PY  - 1981///
CY  - New York
PB  - Wiley
KW  - Telecommunication
N1  - "A Wiley-Interscience publication."
ER  -