1. Babendererde, T., 2010. Difference in wear types and recognition in data monitoring. BASF TBM Seminar, London, October 2010.
2. Babendererde, T., Elsner, P., 2009. Strait Crossings with TBMs – requirements and technical solutions. Presented at Strait Crossing Conference, Trondheim, 2009.
3. A newly developed soil abrasion testing method for tunnelling using shield machines;Barzegari;Quarterly Journal of Engineering Geology and Hydrogeology Volume,2013
4. Bruland, 1998a. NTNU-Anleggsdrift: Project Report 1E-98 HARD ROCK TUNNEL BORING Performance Data and Back-Mapping. NTNU Trondheim.
5. Classifications of properties influencing the drillability of rocks;Dahl;Tunnelling and Underground Space Technology,2012