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2. Amadei, B., Valverde, M., Jernigan, R., Touseull, J., and Cappelle, J.F., The Directional Dilatometer: A New Option to Determine Rock Mass Deformability, The Pressuremeter and Its New Avenues: Proc. 4th Int. Symp., Sherbrooke, Québec, 1995.
3. RF State Standard GOST 20276. 2012, Moscow, 2012.
4. Shkuratnik, V.L. and Nikolenko, P.V., Metody opredeleniya napryazhenno-deformirovannogo sostoyaniya: nauch.-obraz. kurs (Methods to Determine Stress–Strain State: Education and Research Course), Moscow, 2012.
5. Zalesky, M., Bühler, Ch., Burger, U., and John, M., Dilatometer Tests in Deep Boreholes in Investigation for Brenner Base Tunnel, Proc. World Tunnelling Congress, Rotterdam: A. Balkema, 2006.