Fonte:
http://dre.pt/pdf1sdip/2010/12/24000/0569605698.pdf
http://dre.pt/pdf2sdip/2010/12/241000000/6054960549.pdf
http://dre.pt/pdf2sdip/2010/12/241000000/6074760751.pdf
http://dre.pt/pdf2sdip/2010/12/241000000/6075160753.pdf
http://dre.pt/pdf2sdip/2010/12/241000000/6080060805.pdf
