Geotechnical and Geophysical Site Characterization 4, edited by Coutinho R.Q., Mayne P.W., pp. 167–180. London: Taylor & Francis Group, 2013 info:cnr-pdr/source/autori:Picarelli L., Comegna L., Tommasi P., Urciuoli G./titolo:The detection of hidden shear zones in clay: A relevant issue/titolo_volume:Geotechnical and Geophysical Site Characterization 4/curatori_volume:Coutinho R.Q., Mayne P.W./editore: /anno:2013