RT Article T1 Gang Suppression and Intervention: Problem and Response, Research Summary A1 Spergel, Irving A2 Oh, Sandra 1971- A2 Simmons, Edwina A2 Alexander, Alba A2 Ross, Ruth A2 Kane, Candice A2 Chance, Ron A2 Curry, David LA English YR 1994 UL https://krimdok.uni-tuebingen.de/Record/1912564173