Exhibition catalogue published in conjunction with show held at the Galerie Näscht St. Stephan, Wien, Austria, March 15 – April 10, 1971. Essays by Peter Weiermair and Ricky Comi. With statements by Joseph Kosuth and Sol LeWitt. Artists include Shushuku Arakawa, Arts Agency, John Baldessari, Mel Bochner, Daniel Buren, Luciano Fabro, Gilbert & George, Hans Haacke, Michael Heizer, Douglas Huebler, Mario Merz, N.E. Thing Co., Dennis Oppenheim, Richard Serra, Robert Smithson, and Lawrence Weiner, among others. Printed in black-and-white. Text in German.