Paul Nelson. Balance v1, n2 1955, 14 Architecture D'Aujourd'Hui 63 Dec 1955, 52 Peter Cook. A+U  1988, Louis Poulsen. Cree 1 1969, ad O. M. Ungers. Architectural Design v.61 1991, 0 Manuel de Sola Morales. Architectural Design v.61 n.92 1991, 84 Harry E Werner. Architectural Record 100 September 1946, 99 Giuliano Baggatioli. Domus v.555 February 1976, 4 Kenneth Browne. Architectural Review v.122 n.722 Jan 1957, 154 Centrokappa. Lotus 8 Sep 1974, iv