Links:
[1] http://coac.arquitectes.cat/sites/default/files/montbau_1080_1.png
[2] http://coac.arquitectes.cat/ca/javascript%3Ahistory.back%281%29
[3] https://www.arquitectes.cat/ca/exposicio-montbau-1958-1964
[4] http://coac.arquitectes.cat/ca/printpdf/print/25190