Small-edition exhibition catalogue published in conjunction with show held at Centro de Arte y Communicacíon, June 26 - July 3, 1972. Essays by Jorge Glusberg, curator. Artists include Jacques Bedel, Luis Benedit, Gregorio Dujovny, Carlos Ginzburg, Víctor Grippo, Jorge González Mir, Luis Pazos, Alberto Pellegrino, Alfredo Portillos, Juan Carlos Romero, Julio Teich, Marcel Alocco, Juan Navarro Baldeweg, Juan Bercetche, Guillermo Deisler, Juan Downey, Ken Friedman, Jochen Gerz, Klaus Groh, Guerrilla Art Action Group, Richard Kostelanetz, Dick Higgins, Uzi Kotler, Auro Lecci, Oscar Maxera, Marie Orensanz, Osvaldo Romberg, Clorindo Testa, Enrique Torroja, Horst Tress, Jiri Valoch, and Horacio Zabala. Includes artists' biographies, statements, portraits, and images of selected artworks. Parallel text in Spanish and English.