Ayles, Rosemary; Educational Research Workshop on gifted children and adolescents--Research and education in Europe (1991 : Nijmegen, Pays-Bas); Conseil de l'Europe. Conseil de la coopération culturelle(Conseil de l'Europe,, 1991.)
Genovard, Candido; Educational Research Workshop on gifted children and adolescents--Research and education in Europe (1991 : Nijmegen, Pays-Bas); Conseil de l'Europe. Conseil de la coopération culturelle(Conseil de l'Europe,, 1991.)
Sefer, Jasmina; Educational Research Workshop on gifted children and adolescents--Research and education in Europe (1991 : Nijmegen, Pays-Bas); Conseil de l'Europe. Conseil de la coopération culturelle(Conseil de l'Europe,, 1991.)
Raven, John; Educational Research Workshop on gifted children and adolescents--Research and education in Europe (1991 : Nijmegen, Pays-Bas); Conseil de l'Europe. Conseil de la coopération culturelle(Conseil de l'Europe,, 1991.)