Não informado. (1953). Mitteilungen. International Association of Theoretical and Applied Limnology.
Lua i Stíl Chicago (17ú heag.)Não informado. Mitteilungen. Stuttgart, Alemanha: International Association of Theoretical and Applied Limnology, 1953.
Lua MLA (8ú heag.)Não informado. Mitteilungen. International Association of Theoretical and Applied Limnology, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.