RT Book T1 Violence by youth gangs and youth groups as a crime problem in major American cities: summary report A1 Miller, Walter B. LA English PP Washington, D.C. PB U.S. Dept. of Justice, LEAA, National Institute for Juvenile Justice and Delinquency Prevention YR 1976 UL https://krimdok.uni-tuebingen.de/Record/1098902572 NO This summary is based on a report by Walter B. Miller