Koopje Interfunktionen Nr. 7 (1971)

With contributions by Beuys, Heizer, Hutchinson, Oppenheim, Long, Smithson, Buckminster Fuller, Paik, Graham, Panamarenko.
The cover is taken from the Beuys’ aktion ‘Celtic + Aquarius’ which dominates the journal with 48 pages of b/w photographs.