RT Book T1 Specialized patrol projects T2 National Evaluation Program Series A, Phase 1 report Phase 1 summary report JF National Evaluation Program A2 Webb, Kenneth W. LA English PP Washington, D.C. PB U.S. Dept. of Justice, LEAA, National Inst. of law Enforcement and Criminal Justice YR 1977 UL https://krimdok.uni-tuebingen.de/Record/1098225945