RT Book T1 United States Parole Commission Research Unit / 15 Salient factor score and release behavior : three validation samples / Peter B. Hoffman ; Barbara S. Meierhoefer ; James L. Beck JF United States Parole Commission Research Unit research reports A2 Hoffman, Peter B. A2 Meierhoefer, Barbara A2 Beck, James L. LA English PP Washington, D.C. PB U.S. Gov. Print. Office YR 1977 UL https://krimdok.uni-tuebingen.de/Record/1098878272