Exhibition catalogue published in conjunction with show held March 18 - April 22, 1979 at the Kunsthalle Basel. Traveled to the Stedelijk Van Abbemuseum Eindhoven, October 5 - November 4, 1979. Includes writing by Anselmo, Jean-Christophe Ammann, and R.H. Fuchs. Also includes biography, bibliography, and exhibition history. Printed in black-and-white and color. Text in German, Italian, and English.