Vol. 1 comprises contributions to a Trigon symposium held in Munich, 04/19-21/1991; v. 2 contains the catalog of the 15th Trigon exhibit held as part of the Steirischer Herbst '91.
Vol. 1 chiefly in German, v. 2 in German, Italian, Czech, Hungarian, and Serbo-Croatian.
"Steirischer Herbst '91, Graz, 5. Oktober bis 3. November 1991"--T.p. verso, v. 1-2.
Includes bibliographical references and videographies.