Não informado. (1934). ASM Transactions Quarterly. American Society for Metals.
Lua i Stíl Chicago (17ú heag.)Não informado. ASM Transactions Quarterly. Cleveland, Ohio: American Society for Metals, 1934.
Lua MLA (8ú heag.)Não informado. ASM Transactions Quarterly. American Society for Metals, 1934.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.