RT Book T1 Urban drug problems and the general public: exposure, opinions and policy preferences in 11 European cities A1 Korf, Dirk J. 1952- A2 Bless, Ruud A2 Nottelman, Nienke LA English PP Amsterdam PB Thesis Publ. YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1606111434 SN 9051704534