1. (1) Giechaskiel B. et.al.: Measurement of Automotive Nonvolatile Particle Number Emissions within the European Legislative Framework: A Review, Aerosol Science and Technology, 46, p.719-749 (2012).
2. (2) Commissions Regulation (EC) No 692/2008 of 18 July 2008, https://eur-lex.europa.eu/legalcontent/EN/TXT/PDF/?uri=CELEX:32008R0692&from=en
3. (3) Commissions Regulation (EU) No 459/2012 of 7 May 2012, https://eur-lex.europa.eu/legalcontent/EN/TXT/PDF/?uri=CELEX:32012R0459&from=EN
4. (4) Commission Regulation (EU) No 582/2011 of 25 May 2011, https://eur-lex.europa.eu/legalcontent/EN/TXT/PDF/?uri=CELEX:32011R0582&from=EN
5. (5) Commission Regulation (EU) No 133/2014 of 31 January 2014, https://eur-lex.europa.eu/legalcontent/EN/TXT/PDF/?uri=CELEX:32014R0133&from=EN