Auditunnel
- The Audi Tunnel – Tunnelling under Compressed Air. Dans: Felsbau, v. 19, n. 3 ( 2001), pp. 58. (2001):
- Compressed air for top down. Technical Review. Dans: Tunnels & Tunnelling International (février 2004), pp. 49-51. (2004):
- Tunnel, Brücken und Gleisknoten. Bauen für den ICE in Ingolstadt. Dans: BW Bauwirtschaft, n. 5 (mai 2001), pp. 42-44. (2001):