1. Low Emission Zones in Europe. .
2. van Blokland GJ. Stimulation of low noise road vehicles in the Netherlands. In: Proc of Internoise 2011, Osaka, Japan; 2011.
3. BESTUFS. Good practice guide on urban freight transport; 2007.
4. New vehicle noise emission for French traffic noise prediction;Hamet;Appl Acoust,2010
5. Keulemans C. Sound power measurements on heavy vehicles to study propulsion noise (IMAGINE project), report IMA05TR-050618-Volvo01. Volvo Trucks; 2005.