Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.kpf.com/news.asp?id=30
http://www.nytimes.com/2011/05/15/realestate/a-eugene-kohn.html?_r=0
http://archrecord.construction.com/news/economy/2010/1003recession_marketing_strategies-1.asp