TY  - BOOK
AU  - Nilson,Arthur Reinhold
AU  - Hornung,Julius Lawrence
TI  - Practical radio communication: principles-systems-equipment-operation, including short-wave and ultra-short-wave radio, / 
PY  - 1935///
CY  - New York, London
PB  - McGraw-Hill book  company, inc.
KW  - RADIO
KW  - COMUNICACIONES
N1  - Text and diagrams on lining-papers
ER  -