Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.magnumphotos.com/image/PAR351700.html
http://forum.tntvillage.scambioetico.org/?showtopic=141150
http://www.storiaolivetti.it/fotogallery.asp?idPercorso=587&idOrd=2#viewfotogallery