Links:
[1] https://www.arquitectes.cat/ca/cultura/actualitat/coac-colabora-exposicio-%EF%BB%BFfrancesc-catala-roca-amics-artistes-valls
[2] http://www.valls.cat/la-ciutat/agenda-blog/detall-d-esdeveniment/36-cultura/4107-exposicio-francesc-catala-roca-i-els-seus-amics-artistes
[3] https://www.arquitectes.cat/ca/javascript%3Ahistory.back%281%29