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Leed schema. Prinzipskizze eines LEEDExperiments own original text Selbst gezeichnet Aimo Winkelmann PDrelease original upload log de Leyo CommonsHelper page de Leedschema Kienspan bytes no spezifische Beschreibung dieses Bildes spezifische Quelle spezifischer Fotograf spezifisches Datum spezifischer Kommentar zu Versionen