Katalog 1
Edited by Edition Lichttropfen
Published by Edition Lichttropfen, Cologne 1976
Essays by Werner Lippert, and Peter Tausk
94 pages with 63 illustrations
A publication on the occasion of the exhibition with the same title at Neue Galerie, Sammlung Ludwig, Aachen; Museum Bochum, Bochum; Kunsthaus Zürich, Zurich; Künstlerhaus Wien, Vienna
