Baumann, C. (1982). Rudolf Oelzner, Ulrike & Thomas Oelzner.
Lua i Stíl Chicago (17ú heag.)Baumann, Claus. Rudolf Oelzner, Ulrike & Thomas Oelzner. Magdeburg, 1982.
Lua MLA (8ú heag.)Baumann, Claus. Rudolf Oelzner, Ulrike & Thomas Oelzner. 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.