ReTRAC
- DYWI Drill® System secures Trough Structure for Railroad, Reno. The Reno ReTRAC Project in Reno, Nevada, USA. In: DSI Info, n. 14 ( 2006- 2007), pp. 68.
- DYWI Drill®-System sichert Trog-Bauwerk für Eisenbahn, Reno. Reno ReTRAC-Projekt in Reno, Nevada, USA. In: DSI Info, n. 14 ( 2006- 2007), pp. 68-69.