Frei Otto. Architectural Design 36 July 1966, 356 Shin Takamatsu. JA Library 1 Spring 1993, 98 James Gowan. Architectural Review v.153 n.911 Jan 1973, 35 Ian Akroyd and Karen Whatley . Architectural Design 53 3-4 1983, 59 Christoph Langhof. Quaderns. 198 1993, 14 Rob Krier. GA Houses. 12 1982, 170 Henri E Ciriani. GA Document. 3 1981, 75 Stanley Tigerman and GL Crabtree. A+U 55 July 1975, 42 Andres Keller, Michael D Mackaulay. Quaderns. 198 1993, 16 Albrecht Heubner. Envisioning Architecture (MoMA, New York, 2002) 1928, 58