(1967). Vol. 18, № 8; Physical Review Letters. 1967.
Lua i Stíl Chicago (17ú heag.)Vol. 18, № 8; Physical Review Letters. 1967, 1967.
Lua MLA (9ú heag.)Vol. 18, № 8; Physical Review Letters. 1967, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.