Links:
[1] http://www.coac.arquitectes.cat/es/suspensi%C3%B3n-de-licencias-en-los-barrios-de-gr%C3%A0cia-salut-vallcarca-camp-d%E2%80%99en-grassot-y-gr%C3%A0cia-nova
[2] https://bop.diba.cat/scripts/ftpisa.aspx?fnew?bop2018&12/022018024427.pdf&1
[3] https://ajuntament.barcelona.cat/informaciourbanistica/cerca/ca/fitxa/B1612/--/--/ap/
[4] http://www.coac.arquitectes.cat/es/javascript%3Ahistory.back%281%29