RT Article T1 Neighborhoods, Markets, and Gang Drug Organization JF Journal of research in crime and delinquency VO 31 IS 3 SP 264 OP 294 A1 Hagedorn, John M. LA English YR 1994 UL https://krimdok.uni-tuebingen.de/Record/1639659765 K1 Drogenhandel K1 Gangs K1 USA DO 10.1177/0022427894031003002