RT Article T1 Supervision intensity and parole outcomes: A competing risks approach to criminal and technical parole violations JF Justice quarterly VO 33 IS 4 SP 565 OP 583 A1 Grattet, Ryken A2 Lin, Jeffrey LA English YR 2016 UL https://krimdok.uni-tuebingen.de/Record/1912718499 DO 10.1080/07418825.2014.932001