00000nam a2200000 a 4500 Olszewski, Deborah Noor, A. Griffiths, Paul Matias, J. Thanki, D. Illegale Drogen Cannabis Europa Drogen Zahlen & Fakten Studie Prevalence of daily cannabis use in the Europeam Union and Norway Thematic Papers Belgien European Monitoring Centre for Drugs and Drug Addication 2012 1. Auflage 9789291685622 9789291685622 9291685623 9291685623 W:\Digitale Publikationen\Stoffgeb_Süchte\StgCan\00391861_Prevalence_daily_cannabis_use2012.pdf European Monitoring Centre for Drugs and Drug Addiction 24 S.