Não informado. (2001). Journal of Optics. Institute of Physics Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Optics. Bristol, Inglaterra: Institute of Physics Publishing, 2001.
Lua MLA (8ú heag.)Não informado. Journal of Optics. Institute of Physics Publishing, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.