Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://compare.buyhatke.com/products/KARIGAARI-INDIA-WROUGHT-IRON-BUDDHA-HEAD-ON
https://www.amazon.es/Application-Wrought-Building-Purposes-Classic/dp/0265251877
http://books.google.es/books/about/On_the_application_of_cast_and_wrought_i.html?id=ak4OAAAAYAAJ&redir_esc=y