1. Aktuelle Sicherheitsfragen in Tunneln, Tunnel 5/2000.
2. Fires in tunnels
3. Smoke extraction in tunnels with considerable slope. Proceedings of the 4th International Conference Safety in Road and Rail Tunnels, Madrid 2001.
4. PIARC 1999. Fire and smoke control in road tunnels. PIARC Committee on road tunnels (C 5), 05.05.B, World Road Association, 1999.