Hans-Peter Vetsch
- Gotthard Base Tunnel - Choice of the tunnel system from today's point of view / Gotthard-Basistunnel - Wahl des Tunnelsystems aus heutiger Sicht. Dans: Geomechanics and Tunnelling, v. 9, n. 2 ( 2016). (2016):
- Sicurezza nella galleria di base del San Gottardo. Dans: Strade e Autostrade, v. 10, n. 55 (janvier 2006). (2006):