R.Buckminster Fuller. Architectural Record. Feb 1970, 41 Kiyonori Kikutake. Casabella 273 1963, 32 Frei Otto. Architectural Review v.158 n.945 Nov 1975, 255 Norman Bel Geddes. Pencil Points 21 July 1940, 417 TF Zavada. Architectural Forum 81 October 1944, 6 Aulis Blomstedt. Perspecta 8 1963, 17 Iginio Cappai, Graziano Chiodini, Giuseppe Gambirasio, Simona Ganassi Sereni. Casabella 321 1967, 44 David du R. Aberdeen. Architectural Review v.122 n.731 Dec 1957, cover The Architects Collaborative. Casabella 220 1958, 4 L. Duran Veiga and E. Duran Guani. Arquitectura. v.3 n.23 1917, 132