Validation of laser-penetration- and electrical-conductivity-based methods of concentration measurement in flow with intense transport of coarse sedimentJan Krupička, Václav Matoušek, Tomáš Picek and Štěpán ZrostlíkEPJ Web Conf., 180 (2018) 02048DOI: https://doi.org/10.1051/epjconf/201818002048