Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
INTERNET http://www.sciencephoto.com/media/148691/enlarge
INTERNET http://home.znet.com/hlcollin/extras.html
INTERNET http://www.viewpictures.co.uk/Details.aspx?ID=148582&TypeID=1
INTERNET http://www.hopkins.co.uk/s/news/2009/66/
