Norm = Form: on standardisation and design ; [Gemeentemuseum Den Haag, 8 May - 15 August 2010; UNESCO World Heritage Zollverein, Essen, 28 August - 19 October 2010]
Norm = Form: on standardisation and design ; [Gemeentemuseum Den Haag, 8 May - 15 August 2010; UNESCO World Heritage Zollverein, Essen, 28 August - 19 October 2010]