Basic text of the presentation as guest speaker at the Libero Badaró Educational, Social and Cultural Foundation 2003, in São José do Rio Preto, São Paulo State, Brazil, on June 4th 2003.
Basic text of the presentation as guest speaker at the Libero Badaró Educational, Social and Cultural Foundation 2003, in São José do Rio Preto, São Paulo State, Brazil, on June 4th 2003.