http://www.poltronafrau.com/portal/page/portal/new/webpages/poltronafrau/designer/detail?p=id:364078&lang=en

http://www.arredamento.it/design/i-protagonisti-del-design/castiglioni.html

http://www.arredamento.it/design/i-protagonisti-del-design/castiglioni.html