1. European Commission – Enterprise and Industry Directorate-General. Guidance Document No. 7 on the Application of the Directive on the Safety of Toys. 2014. Available at: http://ec.europa.eu/DocsRoom/documents/3841/attachments/1/translations .
2. Directive 2009/48/EC of the European Parliament and of the Council of 18 June 2009 on the safety of toys. 2009.
3. Husko Z. 2012. Screening handelsüblicher Bedarfsgegenstände und Spielzeuge auf Kunststoff-Basis auf geruchsaktive Begleitsubstanzen mittels gaschromatisch-olfaktometrischer Methoden
4. Skjevrak I, Due A, Gjerstad KO, Herikstad H. Volatile organic components migrating from plastic pipes (HDPE, PEX and PVC) into drinking water. Water Res. 2003;37(8):1912–20.
5. Nilsson NH, Malmgren-Hansen B, Bernth N, Pedersen E, Pommer K (2006) Survey and health assesment of chemicals substances in sex toys. Available at: http://www2.mst.dk/udgiv/publications/2006/87-7052-227-8/pdf/87-7052-228-6.pdf .