1. Perception, « Wirklichkeit et Langage »;Affolter,1991
2. Hearing loss in Down's syndrome : A treatable handicap more common than generally recognized;Balkany;Clin. Pediatr,1979
3. The Emergence of Symbols : Cognition and Communication in Infancy;Bates,1979
4. The development of eye contact between mothers and normal versus Down's syndrome infants;Berger;Developmental Psycholog,1981
5. GIRAFE Guide d'Intervention en Réadaptation Auditive : Formule de l'Enfant;Bergeron,1994