http://groups.google.com/groups?num=20&hl=en&safe=off&th=7f4380d0edcd59d0,351&rnum=1&ic=1&selm=3B13DDE9.7350E587%40olg.com desculpem a url grande; espero que consigam ver/ler. é interessante []s, Mario O.de Menezes "Many are the plans in a man's heart, but IPEN-CNEN/SP is the Lord's purpose that prevails" http://curiango.ipen.br/~mario Prov. 19.21