1. UN Recommendations on the Transport of Dangerous Goods, in: Manual of Tests and Criteria (Fourth revised ed.), United Nations, New York and Geneva, 2002.
2. UN Recommendations on the Transport of Dangerous Goods, in: Model Regulations (Fifteenth ed.), United Nations, New York and Geneva, 2007.
3. Directive 94/55/EC Council Directive of 21 November 1994 on the approximation of the laws of the Member States with regards to the transportation of dangerous goods by road, 1994.
4. P.E. Egilsrud, Prevention and Control of Highway Tunnel Fires, FHWA-RD-83, U.S. Department of Transportation, 1983.
5. Handbook of Tunnel Fire Safety;Beard,2012