South African Institute of Mining and Metallurgy. (1956). Journal of the South African Institute of Mining and Metallurgy. South African Institute of Mining and Metallurgy.
Lua i Stíl Chicago (17ú heag.)South African Institute of Mining and Metallurgy. Journal of the South African Institute of Mining and Metallurgy. [Johannesburg: South African Institute of Mining and Metallurgy, 1956.
Lua MLA (8ú heag.)South African Institute of Mining and Metallurgy. Journal of the South African Institute of Mining and Metallurgy. South African Institute of Mining and Metallurgy, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.