Produced on the occasion of the exhibition Prozesse: physikalische, biologische, chemische at Haus an der Redoute, Bonn-Bad Godesberg, 21 September–22 October, 1978. Including artists: Michael Badura, Monika Baumgartl, George Brecht, Jan Dibbets, Michael Enneper, Hans Haacke, K.H. Hödicke, Peter Hutchinson, Wolf Kahlen, Wolfgang Mally, Nam June Paik, Klaus Rinke, Dieter Roth (Diter Rot), HA Schult, Helmut Schweizer, Timm Ulrichs and Dorothee von Windheim.