Beier, K. M. (2015). The German Dunkelfeld Project: Proactive strategies to prevent child sexual abuse and the use of child abusive images. International perspectives of crime prevention ; 7: Contributions from the 8th Annual International Forum 2014 within the German Congress on Crime Prevention, 195-199.
Chicago-Zitierstil (17. Ausg.)Beier, Klaus M. "The German Dunkelfeld Project: Proactive Strategies to Prevent Child Sexual Abuse and the Use of Child Abusive Images." International Perspectives of Crime Prevention ; 7: Contributions from the 8th Annual International Forum 2014 Within the German Congress on Crime Prevention 2015: 195-199.
MLA-Zitierstil (8. Ausg.)Beier, Klaus M. "The German Dunkelfeld Project: Proactive Strategies to Prevent Child Sexual Abuse and the Use of Child Abusive Images." International Perspectives of Crime Prevention ; 7: Contributions from the 8th Annual International Forum 2014 Within the German Congress on Crime Prevention, 2015, pp. 195-199.