RT Article T1 A review of classification systems for sex offenders JF Research findings IS 78 SP 1 OP 4 A1 Fisher, Dawn A1 Mair, George LA English YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1525972650 K1 England K1 Sexualstraftäter K1 Klassifikationssysteme