Defence date: 2 December 1994
Examining board: Prof. António Pedro Vicente, F.C.S.H.-U.N. Lisbonne ; Prof. Heinz-Gerhard Haupt, I.U.E.-Florence (supervisor) ; Prof. Jean-Jacques Becker, Université Paris X ; Prof. José Medeiros Ferreira, F.C.S.H.-U.N. Lisbonne ; Prof. Maria Carrilho, ISCTE-Lisbonne ; Prof. Robert Rowland, I.U.E.-Florence