(1957). Vol. 70, № 6; The Proceedings of the Physical Society. Sec. B. 1957.
Lua i Stíl Chicago (17ú heag.)Vol. 70, № 6; The Proceedings of the Physical Society. Sec. B. 1957, 1957.
Lua MLA (9ú heag.)Vol. 70, № 6; The Proceedings of the Physical Society. Sec. B. 1957, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.