1. Foundations on rock;Wyllie,1992
2. Rock mechanics;Wittke,1990
3. Ground behaviour evaluation for tunnels in blocky rock masses;Solak;Tunn Undergr Space Technol,2009
4. Einfluss der Gefügeorientierung am Strenger Tunnel;Huber;Felsbau,2005
5. The influence of discontinuity orientation on the behaviour of tunnels;Goricki;Felsbau,2005