Zdun, S. 2019. Crumbling Ethnic Barriers in Juvenile Peer Networks and Their Relevance for Violent Delinquency. Kriminologie - Das Online-Journal | Criminology - The Online Journal. 1, 1 (Sep. 2019), 28–48. DOI:https://doi.org/10.18716/ojs/krimoj/2019.1.4.