1. Directive 2004/54/EC of the EU Parliament/EU Council, On minimum requirements for tunnels in the Trans-European Road Network, 29th April 2004.
2. World Road Association, Fire and Smoke Control in Road Tunnels. PIARC C5, Report 05.05.B, 1999.
3. R.O. Carvel, J.L. Torero, The contribution of asphalt road surfaces to fire risk in tunnel fires: preliminary findings, in: Proceedings International Conference on Risk and Fire Engineering for Tunnels Stations and Linked Underground Spaces, Hong Kong, 19–20 April, 2006
4. S. Colwell, C. Rock, Reaction to fire behaviour of pavement surfaces. Interflam 2007, in: Proceedings of the 11th International Conference. Interscience Communications: Greenwich, London, 2007, pp. 123–133.
5. Fire risks of burning asphalt;Schartel;Fire Mater.,2010