Não informado. (1957). Studia geophysica et geodaetica. Academy of Sciences of the Czech Republic, Geophysical Institute.
Lua i Stíl Chicago (17ú heag.)Não informado. Studia Geophysica Et Geodaetica. Praha: Academy of Sciences of the Czech Republic, Geophysical Institute, 1957.
Lua MLA (8ú heag.)Não informado. Studia Geophysica Et Geodaetica. Academy of Sciences of the Czech Republic, Geophysical Institute, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
