TY  - GEN
AU  - Danielson, G. L.
AU  - Walker, R. S. (jt.auth)
TI  - Radio and line transmission
SN  - 0592059758
U1  - 621.3841 
PY  - 1976///
CY  - London
PB  - Newnes-Butterworths
KW  - Soundwaves
KW  - Radio
N1  - PB
ER  -