RT Article T1 Viewing the crime wave from the inside: perceived rates of extortion among restaurateurs in Germany JF European journal on criminal policy and research VO 7 IS 1 SP 43 OP 61 A1 Ohlemacher, Thomas 1962- LA English YR 1999 UL https://krimdok.uni-tuebingen.de/Record/163975461X K1 Schutzgelderpressung K1 Gastronomie