Published in the “Estudos Avançados” Magazine, edited by the Advanced Studies Institute of the USP – University of São Paulo, volume 17, number 48, August 2003, São Paulo, SP, Brazil.
Published in the “Estudos Avançados” Magazine, edited by the Advanced Studies Institute of the USP – University of São Paulo, volume 17, number 48, August 2003, São Paulo, SP, Brazil.