1. Spice: a never ending story?;Lindigkeit;Forensic Sci. Int.,2009
2. New psychoactive substances in Europe An update from the EU Early Warning System European Monitoring Centre for Drugs and Drug Abuse (EMCDDA), Lisbon, March 2015 http://www.emcdda.europa.eu/attachements.cfm/att_235958_EN_TD0415135ENN.pdf
3. European Drug Report, Trends and developments, European Monitoring Centre for Drugs and Drug Abuse (EMCDDA), Lisbon 2014 www.emcdda.europa.eu/attachements.cfm/att_228272_EN_TDAT14001ENN.pdf
4. Simple and rapid screening procedure for 143 new psychoactive substances by liquid chromatography-tandem mass spectrometry;Adamowicz;Drug Test. Anal.,2015
5. Report of the Chief Sanitary Inspector of the drug substitutes - three years working against ‘legal highs’ in Poland, Chief Sanitary Inspector, Warsaw 2013 http://www.gis.gov.pl/ckfinder/userfiles/files/%C5%9Arodki%20Zast%C4%99pcze/raport2013.pdf