Fonte:
http://dre.pt/pdf2sdip/2009/01/008000000/0117001170.pdf
http://dre.pt/pdf2sdip/2009/01/009000000/0158501585.pdf
http://dre.pt/pdf2sdip/2009/01/009000000/0158601586.pdf
http://dre.pt/pdf2sdip/2009/01/009000000/0166101664.pdf
http://dre.pt/pdf2sdip/2009/01/009000000/0168101681.pdf
