(1945). Vol. 27, № 188; Mineralogical magazine. 1945.
Lua i Stíl Chicago (17ú heag.)Vol. 27, № 188; Mineralogical Magazine. 1945, 1945.
Lua MLA (9ú heag.)Vol. 27, № 188; Mineralogical Magazine. 1945, 1945.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.