1. Babendererde, S., Hoek, E., Marinos, P., Cardoso, A.S., 2004. Geological risk in the use of TBMs in heterogeneous rock masses – the case of “Metro do Porto” and the measures adopted. Course on Geotechnical Risks in Rock Tunnels, University of Aveiro, Portugal, pp. 1286–1329.
2. TBM Tunnelling in Jointed and Faulted Rock. Book;Barton,2000
3. Modelling TBM performance with artificial neural networks;Benardos;Tunnelling and Underground Space Technology,2004
4. Bruland, A. 2000. Hard Rock Tunnel Boring. Ph.D. thesis, Norwegian University of Sciences and Technology of Trondheim, Department of Civil and Transport Engineering.
5. Metro Line 1 – LOT 3 Tunnel Excavation with an EPB Type TBM: An Example of How a Good practice Can Help to Solve a Particular Problem;Carrieri,2009