RT Book T1 A validation study of Hewitt and Jenkin's hypothesis T2 Studies in the causes of delinquency and the treatment of offenders JF Studies in the causes of delinquency and the treatment of offenders A1 Field, Elizabeth LA English PP London PB H.M.S.O. YR 1967 UL https://krimdok.uni-tuebingen.de/Record/1094974064