Marschall, PaulGiger, SilvioFerrari, AlessioFavero, ValentinaLaloui, LyesseKeller, Lukas2015-06-082015-06-082015-06-082015https://infoscience.epfl.ch/handle/20.500.14299/114925Opalinus ClayThe origin of strength of Opalinus Clay: phenomenological evidence and conceptual considerationstext::conference output::conference presentation