Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.archiweb.cz/architects.php?action=show&id=452&type=arch
http://www.urbipedia.org/index.php?title=Adolf_Bens
http://www.praha.eu/public/ab/99/ab/131330_4_bens_adolf.jpg