Kontogianni, V.A., Roumanis, M., Psimoulis, P.A., Sfeikos, A. and Stiros, S.C. 2004. ESTIMATION OF THE STRAIN TENSOR IN TUNNEL SECTIONS, BASED ON GEOMETRIC (GEODETIC ETC.) DATA. Bulletin of the Geological Society of Greece. 36, 4 (Jan. 2004), 1918–1924. DOI:https://doi.org/10.12681/bgsg.16676.