Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://www.amazon.co.uk/Matera-città-sassi-city-Sassi/dp/8865491302
https://www.iberlibro.com/servlet/BookDetailsPL?bi=30750465917&cm_mmc=ggl-_-ES_Shopp_RareStd_en-_-product_id=bi%3A%2030750465917-_-keyword=&gclid=Cj0KCQiA4uCcBhDdARIsAH5jyUloQAgXKppgpHoL_MFbnmnAEfE97pMg14RkSjDPPasNDR7ryJHLoIQaAiucEALw_wcB
