1. Attachments beyond infancy;Ainsworth;American Psychologist,1989
2. Object concept and object choice;Arlow,1980
3. The concept of mental representation in psychoanalysis;Beres;International Journal of Psychoanalysis,1970
4. Normal development and psychopathological impairment of the concept of the object on the Rorschach;Blatt;Journal of Abnormal Psychology,1976
5. Investigations in the psychoanalytic theory of object relations and object representations;Blatt,1983