Einstein, H.H., Indermitte, C., Sinfield, J.V., Descoeudres, F., and Dudt, J.-P. (1999). Decision Aids for Tunnelling. Transportation Research Record, 1656, 6-13. doi:10.3141/1656-02
Einstein, H.H., Indermitte, C., Sinfield, J.V., Descoeudres, F., and Dudt, J.-P. (1999). Decision Aids for Tunnelling. Transportation Research Record, 1656, 6-13. doi:10.3141/1656-02