RT Article T1 The Static-99R: are there really differences between the normative groups? JF International journal of offender therapy and comparative criminology VO 57 IS 7 SP 888 OP 907 A1 Looman, Jan A2 Abracen, Jeffrey LA English YR 2013 UL https://krimdok.uni-tuebingen.de/Record/1523967137 K1 Sexual offenders K1 Risk K1 Dynamic factors DO 10.1177/0306624X12443657