1. Fridolf K, Nilsson D, Frantzich H (2013) Fire evacuation in underground transportation systems: a review of accidents and empirical research. Fire Technol 49:451–475. doi: 10.1007/s10694-011-0217-x
2. Vollmann G, Thewes M, Heimbecher F (2012) Safety and security of underground infrastructure—new concepts for evaluating and mitigating risks of tunnels. In: Proceedings of the 7th International Symposium on Safety and Security of Tunnels (ISTSS), New York City
3. Choi S, Brinckerhoff P (2012) Protective design guideline of tunnels. In: Proceedings of the 7th International Symposium on Safety and Security of Tunnels (ISTSS), New York City
4. Vollmann G, Kamarianakis S, Thewes M (2014) Quantitative risk and criticality assessment for tunnels under explosive and fire threat scenarios. In: International Symposium on Tunnel Safety and Security, Marseille
5. Smith P, Hetherington J (1994) Blast and ballistic loading of structures. Butterworth Heinemann, Oxford