%0 Book %E Hoffman, Peter B. %E Meierhoefer, Barbara %E Beck, James L. %E Hoffman, Peter B. %E Meierhoefer, Barbara %E Beck, James L. %I U.S. Gov. Print. Office %D 1977 %C Washington, D.C. %G English %T 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 %J United States Parole Commission Research Unit research reports