Published in O Estado de São Paulo, São Paulo, Brazil, April 21, 1992.

Published in Observador Legal, November 1991.

Published in O Estado de São Paulo, São Paulo, Brazil, May 25, 1989.

Published in Parceiro Econômico, São Paulo, Brazil, 1989.

Published in International Law Quarterly, The Florida Bar, Florida, U.S.A., March 1989.