RT Article T1 From colors and guns to caps and gowns? The effects of gang membership on educational attainment JF Journal of research in crime and delinquency VO 51 IS 1 SP 56 OP 87 A1 Pyrooz, David C. LA English YR 2014 UL https://krimdok.uni-tuebingen.de/Record/1912562642 DO 10.1177/0022427813484316