O. M. Ungers. Casabella 305 1966, 50 Rossella Marchini, Franco Purini, Francesco Tentori, Vittorio Intronini, Antonelle Sotgia. Casabella. Graphite 1984, 189 Kenzo Tange. L'Architettura  1967, Paul Nelson, Oscar Nitzchke, Frantz Jourdain. Envisioning Architecture (MoMA, New York, 2002) 1938, 83 Paul Klee. Architectural Review v.120 n.716 Sep 1956, cover Le Corbusier. Envisioning Architecture (MoMA, New York, 2002) 1932, 21 Gin Johannes. SD 315 December 1990, 9 Daniel Liebeskind. A+U 215 August 1988, 93-94 H. Pottier. Architecture D'Aujourd'Hui v. 25 no. 57 Dec 1954, 33 George Larson and George Storz. Pencil Points 24 February 1943, 34