Fonte:
http://dre.pt/pdf1sdip/2009/04/06600/0208402097.pdf
http://dre.pt/pdf1sdip/2009/04/06600/0209902101.pdf
http://dre.pt/pdf1sdip/2009/04/06601/0000200014.pdf
http://dre.pt/pdf1sdip/2009/04/06601/0001500031.pdf
http://dre.pt/pdf1sdip/2009/04/06601/0003100043.pdf
http://dre.pt/pdf2sdip/2009/04/066000000/1302113021.pdf
