Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://online.wsj.com/news/articles/SB10001424052970204531404577052023593565342
http://bennett.photoshelter.com/gallery/KPF-Hudson-Yards-Bill-Pedersen/G0000SlX9UYdzTjo/
http://giving.umn.edu/extras/Pedersen/index.html
http://www.archdaily.com/362662/
http://www.e-architect.co.uk/images/jpgs/architects/bill_pedersen_i130710.jpg