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.

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

Speech given at International Center of Florida, Miami, Florida, USA, 1986.