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2. The Empty Fortress;Bettelheim,1967
3. A clinical study of childhood schizophrenia;Boatman,1960
4. Cognitive structures, language, and emerging social competence in autistic and aphasic children;Caparulo;This Journal,1977
5. Looking and approach behavior of psychotic and normal children as a function of adult attention or preoccupation;Churchill;Comp. Psychiat.,1972