SITES SOBRE O ASSUNTO

http://quiosque.aeiou.pt/gen.pl?

http://www.deco.proteste.pt/electrodomesticos/climatizacao/ar-condicionado-guia-de-compras-s524671.htm

http://forum.aglobal.com/viewtopic.php?p=2346&highlight=#2346

http://www.haloscan.com/comments/vizinho/116216660056423401/

http://lisboalisboa.blogspot.com/2006/08/vem-um-rato.html

http://marretas.blogspot.com/2005/11/j-que-sabe-ouvir-os-portugueses-cavaco.html