1. Air quality in Europe - 2013 report, European Environment Agency Report 9 (2013).
2. Directive 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe, OJ L 152, 11.6.2008, pp. 1–44.
3. European Commission - Press release, Commission refers POLAND to the Court of Justice of the EU over poor air quality, Brussels, 10 December 2015, http://europa.eu/.
4. C. Guerreiro, J. Horálek, F. de Leeuw, F. Couvidat, Mapping ambient concentrations of benzo(a)pyrene in Europe. Population exposure and health effects for 2012, The European Topic Centre on Air Pollution and Climate Change Mitigation (ETC/ACM), ETC/ACM Technical Paper 6 (2014).
5. Particle-bound PAH content in ambient air;Sheu;Environ. Pollut.,1997