Não informado. (1991). Journal of Alloys and Compounds. Elsevier Sequoia.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Alloys and Compounds. Lausanne, Suíça: Elsevier Sequoia, 1991.
Lua MLA (8ú heag.)Não informado. Journal of Alloys and Compounds. Elsevier Sequoia, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.