RT Article T1 Effective detention: the devlopment of a policy JF European journal on criminal policy and research VO 6 IS 2 SP 257 OP 277 A1 Hoogenboom, Fred LA English YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1639815767 K1 Strafvollzug K1 Niederlande K1 Arbeitstraining