1. Abd Al-Jalil, Y., 1998. Analysis of performance of tunnel boring machine-based systems, The University of Texas at Austin, p. 427.
2. Alvarez Grima, M., P.A., 2000a. Bruines and P.N.W. Verhoef, Modeling tunnel boring machine performance by neuro-fuzzy methods, Tunnell. Undergr. Space Technol. 15 (3), pp. 259–269.
3. Alvarez Grima, M., 2000b Neuro-fuzzy modeling in Engineering Geology: applications to mechanical rock excavation, rock strength estimation and geological mapping, PhD.Thesis, Delft University of Technology, 252 pp, Balkema, Rotterdam.
4. Bamford, W.F., 1984. Rock test indices are being successfully correlated with tunnel boring machine performance. In: Proceedings of the 5th Australian Tunneling Conference, Melbourne, vol. 2, pp. 9–22.
5. TBM tunneling in jointed and faulted rock;Barton,2000