RT Book T1 New York City Police Department Street Crime Unit T2 An exemplary project A1 Halper, Andrew A2 Ku, Richard LA English PP Washington, D.C. PB U.S. Dept. of Justice, Law Enforcement Assistance Administration, National Institute of Law Enforcement and Criminal Justice YR 1975 UL https://krimdok.uni-tuebingen.de/Record/1098836855