1. Air Quality in Europe—2017 Report, EEA Report No 13/2017
https://www.eea.europa.eu/publications/air-quality-in-europe-2017
2. Urban Climates;Oke,2017
3. Brussels, 21.9.2005. COM (2005) Final
https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=COM:2005:0446:FIN:EN:PDF
4. National Emission Ceilings Directive, 2001/81/EC
https://www.eea.europa.eu/themes/air/air-pollution-sources-1/national-emission-ceilings
5. EU Directive 2008/50/EC, Air Quality
https://www.eea.europa.eu/policy-documents/directive-2008–50-ec-of