Monitor-bulletin : Sovjet-Russisch nieuws voor het buitenland / afdeling documentatie radio regeringsvoorlichtingsdienst Radio Nederland Wereldomroep : jaarverslag ... Daily report. Foreign radio broadcasts / Foreign Broadcasting Information Service Zie: AP 116A-02-1 Concise details of radio equipment Studio NL / [met medew. van het Legermuseum] Funk und Ton : Monatsheft für Hochfrequenztechnik und Elektroakustik Marconi ... : a catalogue showing a complete range of radio equipment available from The Marconi Company Limited, Chelmsford, Essex, England Radio-links ... / [Thompson-CSF, Division "Faisceaux Hertziens"] jane's yearbooks Jane's military communications radio amateur's handbook / by the Headquarters staff of the American Radio Relay League
