RT Article T1 Penal Practice and Social Theory in Poland Before and After the Events of 1989 JF Comparing prison systems SP 263 OP 285 A1 Płatek, Monika LA English YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1525957902 SN 9057005115 K1 Strafvollzug K1 Polen