Exhibition catalogue published in conjunction with shows held at Espace d'Art Contemporain, Paris and Hallen für neue Kunst, Schaffhausen, in 1991. Foreword by Urs Raussmüller. Additional texts by Christel Sauer and Robert Storr with a statement on painting by Robert Ryman. Includes biography, bibliography, and checklists of the exhibitions. Text in English, French, and German.
