http://books.google.pt/books?id=xRGFZ9vd0uIC&pg=PA11&hl=pt-PT&source=gbs_toc_r&cad=4#v=onepage&q&f=false
Coelhos
http://books.google.pt/books?id=KGwkfFQLEFkC&hl=pt-PT&source=gbs_similarbooks