(1959). Vol. 116, № 6; Physical Review. Second Series. 1959.
Lua i Stíl Chicago (17ú heag.)Vol. 116, № 6; Physical Review. Second Series. 1959, 1959.
Lua MLA (9ú heag.)Vol. 116, № 6; Physical Review. Second Series. 1959, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.