RT Book T1 A study of correlates of the development of interpersonal maturity and the differential behavioral classification system of the juvenile offender A1 Keck, Gregory C. LA English PP Ann Arbor, Mich. PB Univ. Microfilms Internat. YR 1981 UL https://krimdok.uni-tuebingen.de/Record/1092157298 K1 Hochschulschrift