Links:
[1] http://arquitectes.eu/ca/node/7343
[2] http://arquitectes.eu/sites/default/files/users/14663/BOE-B-2015-31727.pdf
[3] https://www.arquitectes.cat/es/coac-impugna-licitacion-proyecto-sagrera
[4] http://arquitectes.eu/ca/javascript%3Ahistory.back%281%29