Não informado. (1950). Ionospheric Data in Japan. Radio Research Laboratories.
Lua i Stíl Chicago (17ú heag.)Não informado. Ionospheric Data in Japan. Tokyo: Radio Research Laboratories, 1950.
Lua MLA (8ú heag.)Não informado. Ionospheric Data in Japan. Radio Research Laboratories, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.