RT Book T1 Generation and verification of prediction equations for delinquency: croos-validational analysis A1 Janeksela, Galan M. LA English PP Ann Arbor, Mich. PB Xerox Univ. Microfilms YR 1975 UL https://krimdok.uni-tuebingen.de/Record/1094261971 K1 Hochschulschrift