Catalogue published as a comprehensive catalogue for all exhibition helds at the Ink. Halle für Internationale Neue Kunst, Zürich, Switzerland, in 1980. Texts by Christel Sauer, Patrick Frey, and Phyllis Tuchman. Artists in the catalogue include Carl Andre, Dan Flavin, Donald Judd, Sol LeWitt, Robert Morris, and Robert Ryman. Printed in black-and-white. Text in English and German.