Não informado. (1965). Geophysical paper. Institute of Geological Sciences.
Lua i Stíl Chicago (17ú heag.)Não informado. Geophysical Paper. London: Institute of Geological Sciences, 1965.
Lua MLA (8ú heag.)Não informado. Geophysical Paper. Institute of Geological Sciences, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.