Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.ce.jhu.edu/perspectives/protected/ids/Index.php?location=Tavanasa%20Bridge
http://www.nbq.ch/daniel/STS/STS.html
http://www.ils-derungs.ch/bruecke.htm
http://commons.wikimedia.org/wiki/File:Rheinbr%C3%BCcke_Tavanasa_Bauplan_01_11.jpg