RT Book T1 Operation identification projects: assessment of effectiveness T2 National Evaluation Program Series A, Phase 1 report JF National Evaluation Program A2 Heller, Nelson B. LA English PP Washington, D.C. PB U.S. Dept. of Justice, LEAA, National Inst. of Law Enforcement and CriminalJustice YR 1975 UL https://krimdok.uni-tuebingen.de/Record/1098731417