RT Book T1 The impact of police activity on subway crime T2 The Rand paper series JF P / the Rand Corporation A1 Chaiken, Jan M. A2 Lawless, Michael W. A2 Stevenson, Keith A. LA English PP Santa Monica, Cal. PB Rand Corp. YR 1974 UL https://krimdok.uni-tuebingen.de/Record/1096428148