A lacquered molded aluminium “Hole” chair by Ronan and Erwan Bouroullec for Cappellini - 2000 30.50 × 16.50 × 19.30 in.
T. Schriefers, I am a chair, Éditions Löffler Collection, Reichenschwand, 2018, p. 325 R. et E. Bouroullec, Ronan and Erwan Bouroullec, Éditions Phaidon, Londres 2003 p. 151