RT Article T1 Policies towards open drug scenes and street crime JF European journal on criminal policy and research VO 1 IS 2 SP 61 OP 75 A1 Eisner, Manuel 1959- LA English YR 1993 UL https://krimdok.uni-tuebingen.de/Record/1640356606 K1 Schweiz K1 Drogenkontrolle K1 Drogenpolitik K1 Drogen K1 Kriminalität DO 10.1007/BF02249229