Haus-Rucker-Co. Architectural Design  1970, Claude Strebelle and Sart Tilman. L'invention du parc. Graphite 1984, 174 Toyo Ito. GA Japan vol 3 Spring 1993, 62 M. R. R. Kliks. Calli. 24 1966, 31 Giorgio Grassi. Architectural Design v.61 n.92 1991, 37 Louis Kahn. Perspecta 2 1953, 18 P C Jeffries. Pencil Points 20 June 1939, 404 Groupe Miastro. Cree 5 1970, 70 Volker Giencke. Japan Architect 53 Feb 1978, 23 Adrian George. Architectural Design 40 March 1970, cover