Não informado. (1961). Basic Research Progress Report. Technical University of Denmark.
Lua i Stíl Chicago (17ú heag.)Não informado. Basic Research Progress Report. Copenhagen: Technical University of Denmark, 1961.
Lua MLA (8ú heag.)Não informado. Basic Research Progress Report. Technical University of Denmark, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.