Search Results Use the search box below to revise your search, or start a new search. Studies (2) Variables Publications Your query returned 2 studies. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Police Response to Street Gang Violence in California: Improving the Investigative Process, 1985 (ICPSR 8934) Klein, Malcolm W.; Maxson, Cheryl L.; Gordon, Margaret A. 2. Use and Effectiveness of Fines, Jail, and Probation in Municipal Courts in Los Angeles County, 1981-1984 (ICPSR 9742) Glaser, Daniel; Gordon, Margaret A.