Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.vintage-danish-lights.com/poul-henningsens-lighting-manifesto
http://www.infurn.com/es/poul-henningsen-lampara-de-mesa-ph-3_2
http://www.designlamps.net/designers/Poul-Henningsen-1.html