Links:
[1] https://dogc.gencat.cat/ca/document-del-dogc/?documentId=958750
[2] https://dogc.gencat.cat/ca/document-del-dogc/?documentId=960760
[3] https://dogc.gencat.cat/ca/document-del-dogc/?documentId=961055
[4] http://coac.arquitectes.cat/es/javascript%3Ahistory.back%28%29
[5] http://coac.arquitectes.cat/es/printpdf/print/29576