Droog & Dutch Design, From Product to Fashion: the collection of the Centraal Museum, Utrecht, Utrecht, 2000, p. 77; Ellen Lupton, Skin: Surface, Substance + Design, New York, 2002, p. 132; Louise Schouwenberg, Hella Jongerius, London, 2003, throughout; Ed. Renny Ramakers, Simply Droog, Amsterdam, 2006, p. 43 and 183; Droog Design, Droog: A Human Touch, Amsterdam 2006, p. 114