O. M. Ungers. Architectural Design v.61 n.92 1991, 92 Neil Denari. A+U 246 March 1991, 35 Helle Juul and Flemming Frost. A+U 247 April 1991, 36-37 Gunther Domenig. A+U 254 Nov 1991, 46 O. M. Ungers. Architectural Design v.61 1991, 0 Zaha Hadid. Architectural Design v.61 n.92 1991, 46 Peter Eisenman. A+U 252 Sep 1991, 95 Bernard Tschumi. Architectural Design v.61 n.92 1991, 90 Peter Eisenman. A+U 252 Sep 1991, 32 Arakawa and Madeline Gins. A+U 255 Dec 1991, 12