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Lua i Stíl Chicago (17ú heag.)Green, Malcolm. "Otto Mühl: 1925-2013." Artforum 2013.
Lua MLA (8ú heag.)Green, Malcolm. "Otto Mühl: 1925-2013." Artforum, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.