Fonte:
http://dre.pt/pdf1sdip/2009/10/20700/0799908029.pdf
http://dre.pt/pdf1sdip/2009/10/20700/0802908032.pdf
http://dre.pt/pdf2sdip/2009/10/207000000/4336643366.pdf
http://dre.pt/pdf2sdip/2009/10/207000000/4339143392.pdf
http://dre.pt/pdf2sdip/2009/10/207000000/4347343485.pdf
