TY  - BOOK
AU  - Nelkon,Michael
TI  - Physics and radio: by M. Nelkon
U1  - 621.384 23
PY  - 1944///, [reprinted 1956]
CY  - London
PB  - E. Arnold & co.
KW  - Radio
KW  - Sound
KW  - Electricity
N1  - "First published, 1944."; "Answers": p. 381-383
ER  -