(1952). Vol. 65, № 7; The Proceedings of the Physical Society. Ser. A. 1952.
Lua i Stíl Chicago (17ú heag.)Vol. 65, № 7; The Proceedings of the Physical Society. Ser. A. 1952, 1952.
Lua MLA (9ú heag.)Vol. 65, № 7; The Proceedings of the Physical Society. Ser. A. 1952, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.