Speech given at World Trade Center Miami, Miami, Florida, USA, 1987.

Speech given at International Law Department of the Law School, Lorena, São Paulo, Brazil, 1987.

Speech given at “Associação dos Jornalistas de Economia de São Paulo”, São Paulo, Brazil, 1987.

Speech given at Fundação Centro de Estudos do Comércio Exterior, Rio de Janeiro, Brazil, 1987.

Speech given at International Law Department of Mackenzie Law School, São Paulo, Brazil, 1987.