Lindner, E., Einstein, H.H., and Vanmarcke, E.H. (1975). Exploration: its evaluation in hard rock tunnels. In: Proceedings of the 16th U.S Symposium on Rock Mechanics (USRMS), 22-24 September, Minneapolis, Minnesota. ARMA-75-205
Lindner, E., Einstein, H.H., and Vanmarcke, E.H. (1975). Exploration: its evaluation in hard rock tunnels. In: Proceedings of the 16th U.S Symposium on Rock Mechanics (USRMS), 22-24 September, Minneapolis, Minnesota. ARMA-75-205