1. Auwärter V, Dresen S, Weinmann W, Müller M, Pütz M, Ferreirós N (2009) Spice and other herbal blends: harmless incense or cannabinoid designer drugs? J Mass Spectrom 45. doi: 10.1002/jms.1558 , Published Online: Feb. 2 2009
2. http://www.welt.de/wissenschaft/article2881866/Erstmals-Wirkstoff-von-Mode-Droge-Spice-belegt.htmL ; Accessed 2 Mar 2012
3. European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) (2011) Annual report on the state of the drugs problem in Europe, Lisbon, November. http://www.emcdda.europa.eu/attachements.cfm/att_143743_EN_EMCDDA_AR2011_EN.pdf ; Accessed 2 Mar 2012
4. Bundesgesetz über den Schutz vor Gesundheitsgefahren im Zusammenhang mit Neuen Psychoaktiven Substanzen (Neue-Psychoaktive-Substanzen-Gesetz, NPSG) (2012) http://www.parlament.gv.at/PAKT/VHG/XXIV/I/I_01518/fname_235558.pdf ; Accessed 2 Mar 2012
5. Advisory Council on the Misuse of Drugs (ACMD) Consideration of the major cannabinoid agonists. 16th July, 2009. http://www.namsdl.org/documents/ACMDMajorCannabinoidReport.pdf ; Accessed 2 Mar 2012