Não informado. (1973). Lecture Notes in Computer Science. Springer Verlag.
Lua i Stíl Chicago (17ú heag.)Não informado. Lecture Notes in Computer Science. Berlin: Springer Verlag, 1973.
Lua MLA (8ú heag.)Não informado. Lecture Notes in Computer Science. Springer Verlag, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.