Exhibition catalogue published in conjunction with show held March 18 - April 23, 1972. Essays by Zdenek Felix and Klaus Honnef. Artists in the exhibition include Art & Language, John Baldessari, Robert Barry, Mel Bochner, Stanley Brouwn, Daniel Buren, Victor Burgin, Hanne Darboven, Jan Dibbets, Gilbert & George, Hans Haacke, Douglas Huebler, On Kawara, and Lawrence Weiner. Includes bibliography. Illustrated in black-and-white with one color plate. Text in English and German.