@inproceedings{sgem2020s03012, title = {ESTIMATION OF THE JOINT ROUGHNESS COEFFICIENT OF UNIAXIALLY COMPRESSED ROCK SAMPLES USING A 3D SCANNER}, author = {Pavel Tsoi and O. A. Usoltseva}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Science and Technologies in Geology, Exploration And Mining}, year = {2020}, pages = {89-94}, publisher = {STEF92 Technology}, doi = {10.5593/sgem2020/1.2/s03.012} }