Study Search Results Your query returned 1 results. Use the search box below to revise your search, or start a new search. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. (?) Study Title/Investigator 1. Street Gangs and Drug Sales in Pasadena and Pomona, California, 1989-1991 (ICPSR 6255) Maxson, Cheryl L.; Klein, Malcolm W.; Cunningham, Lea C.