Exposition(s) citée(s)

• "Hommes-Sandwichs" , Paris 1968 , cit. p. 192, repr. p. 189
• "Guggenheim International Exhibition 1971" , New York 1971 , cit. p. 192, repr. p. 190
• "Prospect 68 : An International Preview of Art in the World's Galleries" , Düsseldorf 1968 , cit. p.191
• "Dunkelgrün HKS 55 N" , Cologne 1971 , repr. p. 193
• "Affichages sauvages" à l'occasion de l'exposition "Live in your Head / When Attitudes become Form / Works Concepts - Processes - Situations - Information", Kunsthalle Bern , Berne 1969 , cit. p. 192
• “Cent Stations du métro parisien” , Paris 1970 , cit. p. 192
• "Fifty Bus Benches" , Los Angeles, Californie 1970 , cit. p. 192