“Cut-Up”, “Sorry I’m Late. XOXO Echo” and Wolfgang Tillmans at Koelnischer Kunstverein
Der Alltag (Sensationen des Gewöhnlichen), translated: Everyday Life (Sensations of the Ordinary) Magazine, founded by Walter Keller and Nikolaus Wyss, published 1978 – 1983, by the publishing house Der Alltag, Zurich, 26 issues + 1 special edition