Siehe Report of the International Conference on Drug Abuse and Illicit Trafficking, Vienna, 17-26 June 1987 (Veröffentlichung der Vereinten Nationen, Best.-Nr. E.87.I.18), Kap. I, Abschnitt A.
See Report of the International Conference on Drug Abuse and Illicit Trafficking, Vienna, 17-26 June 1987 (United Nations publication, Sales No. E.87.I.18), chap. I, sect. A.