Não informado. (1952). Czechoslovak Journal of Physics. Czechoslovak Academy of Sciences.
Lua i Stíl Chicago (17ú heag.)Não informado. Czechoslovak Journal of Physics. Prague: Czechoslovak Academy of Sciences, 1952.
Lua MLA (8ú heag.)Não informado. Czechoslovak Journal of Physics. Czechoslovak Academy of Sciences, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.