Björkqvist K., Osterman, K., Berg, P. : Higher rates of victimization to physical abuse by adults found among victims of school bullying. Psychol Rep. 109 (1) ; 167-8, 2011.
Bjorkqvist, K. and Osterman, K.: Does Childhood physical punishment predispose to a ′′Victim Personality′′. Pediatrics & Therapeutics, 4; 190, 2014.
Duncan, R.D. : Peer and sibling aggression: An investigation of intra-and extra-familial bullying. Journal of Interpersonal Violence, 14 ; 871-886, 1999.