RT Article T1 Racial and ethnic heterogeneity, economic disadvantage, and gangs: A macro-level study of gang membership in urban America JF Justice quarterly VO 27 IS 6 SP 867 OP 892 A1 Pyrooz, David C. A2 Decker, Scott H. 1950- A2 Fox, Andrew M. LA English YR 2010 UL https://krimdok.uni-tuebingen.de/Record/1912674548 DO 10.1080/07418820903473264