RT Article T1 Alternatives to reduce prison crowding JF The journal of state government VO 62 IS 2 SP 59 OP 94 A2 Colson, Charles W. LA English YR 1989 UL https://krimdok.uni-tuebingen.de/Record/1633081400 K1 Alternativer Strafvollzug K1 Private Gefängnisse K1 Überwachung in Freiheit