Bobet, A., and Einstein, H.H. (2011). Tunnel reinforcement with rockbolts. Tunnelling and Underground Space Technology, 26 (1), 100-123. doi:10.1016/j.tust.2010.06.006
Bobet, A., and Einstein, H.H. (2011). Tunnel reinforcement with rockbolts. Tunnelling and Underground Space Technology, 26 (1), 100-123. doi:10.1016/j.tust.2010.06.006