Links:
[1] https://www.arquitectes.cat/es/la-biblioteca-del-coac-colabora-en-una-exposici%C3%B3n-sobre-sekler
[2] https://apps.bibliotecnica.upc.edu/informacions/BETSAV/S146/index.php
[3] https://www.arquitectes.cat/es/javascript%3Ahistory.back%281%29