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. A1 Lawless, Michael W. A1 Stevenson, Keith A. 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