Gravel and boulders mining from mountain stream bedsArtur Radecki-Pawlik, Anna Kidová, Milan Lehotsky, Miloš Rusnák, Russell Manson and Bartosz Radecki-PawlikE3S Web Conf., 106 (2019) 01005DOI: https://doi.org/10.1051/e3sconf/201910601005
