RT Book T1 Alternative probation strategies in Baltimore, Maryland T2 ICPSR study JF ICPSR study A1 Collins, James J. LA English PP Ann Arbor, MI PB Inter-univ. Consortium for Polit. and Social Research YR 1985 ED 1. ICPSR ed. UL https://krimdok.uni-tuebingen.de/Record/1091189692