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. Evaluation of the Maricopa County [Arizona] Demand Reduction Program, 1989-1991 (ICPSR 9977) Hepburn, John R.; Johnston, C. Wayne; Rogers, Scott 2. Modern Policing and the Control of Illegal Drugs: Testing New Strategies in Oakland, California, and Birmingham, Alabama, 1987-1989 (ICPSR 9962) Uchida, Craig D.; Forst, Brian; Annan, Sampson O.