Arlberg-Straßentunnel

1. Safety upgrade of the Arlberg Base Tunnel and Tunnel Perjen. In: Tunnelling and Underground Space Technology, v. 19, n. 4-5 (Juli 2004), S. 310.

   https://doi.org/10.1016/j.tust.2004.01.011

2. Sturm, Peter J. / Bacher, Michael (2015): Upgrading the Arlberg tunnel to current safety standards. In: Tunnelling and Underground Space Technology, v. 48 (April 2015), S. 140-146.

   https://doi.org/10.1016/j.tust.2015.02.006