1. Reducing gun violence : evaluation of the Indianapolis Police Department's directed patrol project. Research report (National Institute of Justice (U.S.)), Research report Washington, DC : U.S. Dept. of Justice, Office of Justice Programs, National Institute of Justice, [2002] Book Online
2. Reducing gun violence : evaluation of the Indianapolis Police Department's directed patrol project. Research report (National Institute of Justice (U.S.)), Research report Washington, DC : U.S. Dept. of Justice, Office of Justice Programs, National Institute of Justice, [2002] Book Physical ReCAP HV7438.I65 R43 2002