Não informado. (1982). Graefe's Archive for Clinical and Experimental Ophthalmology. Springer Verlag.
Lua i Stíl Chicago (17ú heag.)Não informado. Graefe's Archive for Clinical and Experimental Ophthalmology. Berlin: Springer Verlag, 1982.
Lua MLA (8ú heag.)Não informado. Graefe's Archive for Clinical and Experimental Ophthalmology. Springer Verlag, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.