Comptes rendus du premier congrès de l'Association Internationale pour l'Étude Scientifique de l'arriération Mentale =Proceedings of the first congress of the International Association for the Scientific Study of Mental Deficiency
Congress of the International... FrancêsInglês Reigate: Michael Jackson, 1968 XLIV, 982 p. : il. ; 24 cm CDU: 159.97