Sinfield, J., and Einstein, H.H. (1996). Evaluation of tunneling technology using the Decision Aids for Tunneling. Tunnelling and Underground Space Technology, 11(4), 491–504. doi:10.1016/S0886-7798(96)89245-5
Sinfield, J., and Einstein, H.H. (1996). Evaluation of tunneling technology using the Decision Aids for Tunneling. Tunnelling and Underground Space Technology, 11(4), 491–504. doi:10.1016/S0886-7798(96)89245-5