Fonte:
http://dre.pt/pdf1sdip/2009/12/25100/0877108776.pdf
http://dre.pt/pdf1sdip/2009/12/25100/0877608776.pdf
http://dre.pt/pdf1sdip/2009/12/25100/0877908780.pdf
http://dre.pt/pdf1sdip/2009/12/25100/0878008780.pdf
http://dre.pt/pdf1sdip/2009/12/25100/0878008809.pdf
