Atelier Vorsprung / Beat Frank Bern, Switzerland, 1987 Black stained wood, metal H. 62.9 x W. 70.8 inches
Bibliographie / Literature : – Atelier Vorsprung, Möbelobjeekte 1986-1988, éd. Kurt Salchli, Berne, 1988, pp.60,61,62,63,64
