March 1980 issue of Ragile. Includes contributions by Serge Renaudi, Joseph Guglielmi, Nicole Rousset, Tadeusz Kantor, Lawrence Weiner, Bernd Lohaus, Daniel Dezeuze, Dan Graham, Edouard Nono, Dennis Oppenheim, Jean Pierre Larroche, Marek Korzec, Thierry Muller, Antonio Semeraro, Andre du Colombier, Claude Viallat, Olivier Thome, Denis Alkan, Thomas Schütte, Robert Filliou, Alain Degange, Michel Iriarte, Dominique G. Laporte, and Bernard Joubert. Text in French.