Exhibition catalogue published in conjunction with show held at Kunstmuseum Hannover mit Sammlung Sprengel, February 15 - March 29, 1981. Traveled to Wilhelm-Hack Museum Ludwigshafen, October 10 - November 22, Quadrat Bottrop Moderne Galerie, January 31 - February 28, 1982. Texts by Joachim Büchner, Dieter Ronte, and Bernhard Holeczek. Includes biography and bibliography. Text in German.