Não informado. (1961). Electronics and communications abstracts. Multi-Science Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Electronics and Communications Abstracts. Brentwood, Inglaterra: Multi-Science Publishing, 1961.
Lua MLA (8ú heag.)Não informado. Electronics and Communications Abstracts. Multi-Science Publishing, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.