Exhibition catalogue published in conjunction with show held at the Museum Bochum, Germany, January 27 - March 11, 1979; and the Palazzo Ducale, Genova, Italy, March 28 - May 4, 1979. Text by Isabella Puliafito. Artists included are Isabella Puliafito, Vito Acconci, Laurie Anderson, Vincenzo Agnetti, Giovanni Anselmo, Eleanor Antin, Shusaka Arakawa, John Baldessari, Robert Barry, Bill Beckley, Alighiero Boetti, Christian Boltanski, Victor Burgin, Ian Burn, Pierpaolo Calzolari, Cioni Carpi, Sandro Chia, Giuseppe Chiari, Hamish Fulton, Jochem Gerz, Gianikian Ricci-Lucchi, Douglas Huebler, Allan Kaprow, On Kawara, Joseph Kosuth, Jean Le Gac, Les Levine, Mario Merz, Annette Messager, Robert Morris, Tania Mouraud, Bruce Nauman, Richard Nonas, Luigi Ontani, Dennis Oppenheim, Giulio Paolini, Lucio Pozzi, Ed Ruscha, Salvo, Bernar Venet, Lawrence Weiner, and Ian Wilson. Includes exhibition checklist and some artist statements. Illustrated in black-and-white. In German and Italian with some English.