1. European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) Europol.EU Drug Markets Report: A Strategic Analysis. Publications Office of the European Union;2013. Available at:http://www.emcdda.europa.eu/publications/joint‐publications/drug‐markets(accessed 5 June 2013) (Archived by WebCite® athttp://www.webcitation.org/6I28KKwHy).
2. Commission on Narcotic Drugs.Resolution 55/1. Promoting International Cooperation in Responding to the Challenges Posed by New Psychoactive Substances. Commission on Narcotic Drugs;2012. Available at:http://www.unodc.org/documents/commissions/CND‐Res‐2011to2019/CND‐Res‐2012/Resolution_55_1.pdf(accessed 5 June 2013) (Archived by WebCite® athttp://www.webcitation.org/6I28cfwlv).
3. Mexican Seafood.“Spice”. Bluelight forum. [Online forum comment].2006. Available at:http://www.bluelight.ru/vb/printthread.php?t=270616&pp=40(accessed 5 June 2013).
4. How globalization and market innovation challenge how we think about and respond to drug use: ‘Spice’ a case study
5. European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) Europol.EMCDDA–Europol 2012 annual report on the implementation of Council Decision 2005/387/JHA. Publications Office of the European Union;2013.