Exhibition catalogue published in conjunction with show held January 20 - March 2, 1980. Text by René Block, Dieter Krickeberg, Siegfried Wendel, Wolf D. Kühnelt, Juan Allende-Blin, Billy Klüver, and chronology compiled by Helmut Danninger. Artists include KP Brehmer, Joseph Beuys, Laurie Anderson, William Anastasi, John Cage, Giuseppe Chiari, Richard Hamilton, Dennis Oppenheim, and others. Illustrated in black-and-white. Includes bibliography and exhibition checklist. In German.