Não informado. (1980). Journal of Optical Communications. Schiele & Schon.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Optical Communications. Berlin: Schiele & Schon, 1980.
Lua MLA (8ú heag.)Não informado. Journal of Optical Communications. Schiele & Schon, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.