RT Book T1 Survey of Oklahoma Probation and Parole Officers, Preliminary Analysis A1 Schneider, Anne Larason A2 Hatley, Earl L. A2 Ervin, Laurie H. LA English PP Erscheinungsort nicht ermittelbar PB United States Department of Justice, National Institute of Justice YR 1990 UL https://krimdok.uni-tuebingen.de/Record/191271955X