Não informado. (1981). Geophysical Journal. Gordon and Breach Science Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Geophysical Journal. New York: Gordon and Breach Science Publishers, 1981.
Lua MLA (8ú heag.)Não informado. Geophysical Journal. Gordon and Breach Science Publishers, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.