Signs of humanity : proceedings of the IVth International Congress, International Association for Semiotic Studies, Barcelona/Perpignan, March 30-April 6, 1989 = L' homme et ses signes : actes du IVe Congrès Mondial, Association Internationale de Sémiotique, Barcelona/Perpignan, March 30-April 6, 1989. Vol. 2 / edited by Michel Balat and Janice Deledalle-Rhodes, general editor Gérard Deledalle. - Balat, Michel; Deledalle-Rhodes, Janice; Deledalle, Gérard (Approaches to Semiotics, 1992)