1. Balint M (1969) Trauma and object relationship. Int J Psychoanal 50:429–436
2. Bollas C (1987) The shadow of the object. Free Ass. Books, London
3. Bollas C (1992) Being a character. Straus & Giroux, New York
4. Bollas C (1999) Il mistero delle cose (it. coll.). Cortina, Milano
5. Bonfiglio B (1996) Il trauma tra Freud e Ferenczi. Riv Psicoan 42:629–647