RT Article T1 Offenses by prisoners on leave of absence: a representative study from lower saxony JF Developments in crime and crime control research SP 41 OP 53 A1 Berckhauer, Friedhelm 1945- A2 Hasenpusch, Burkhard LA English YR 1990 UL https://krimdok.uni-tuebingen.de/Record/1526070324 SN 3540970819 K1 Vollzugslockerung K1 Missbrauch