Links:
[1] http://coac.arquitectes.cat/ca/suport/concurs-idees-intervencio-parets-mitgeres-barcelona
[2] https://contractaciopublica.gencat.cat/ecofin_pscp/AppJava/ca_ES/notice.pscp?idDoc=36959278&reqCode=viewCn&idCap=16053544&
[3] http://coac.arquitectes.cat/ca/javascript%3Ahistory.back%281%29