1. Handbook of Tunnel Fire Safety;Beard,2011
2. Austrian risk analysis for road tunnels – development of a new method for the risk assessment of road tunnels;Botschek,2007
3. CARE – EU Road Accident Database, 2016. .
4. A computer model to assess fire hazards in tunnels (FASIT);Charters;Fire Technol.,1994
5. CIB TG 32, 2001. Risk Assessment and Risk Communication in Civil Engineering (Report 259), Rotterdam.