1. Arlow, J., Brenner, C: Psychoanalytic concepts and the structural theory. New York: International University Press 1964.
2. Balint, M.: Pleasure, object and libido. Brit. J. Med. Psychol. 29, 162 (1956).
3. Boszormenyi-Nagy, I.: A theory of relationships: Experiences and transactions. In: Intensive family therapy. Eds. Boszormenyi-Nagy, I., Framo, J. L. New York: Hoeber 1965.
4. Fairbairn, W.: An object-relations theory of the personality. New York: Basic Books 1952.
5. Freud, S.: Zur Einführung des Narzißmus. Gesammelte Werke, X ( 1914 ). London: Imago 1946.