TY - CPAPER AU - O. A. Usoltseva AU - Pavel Tsoi TI - STRENGTH PROPERTIES OF SHALE AND SILSTONE OF LAYERED STRUCTURE UNDER SHEAR LOADING T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Science and Technologies in Geology, Exploration And Mining PY - 2020 SP - 277 EP - 284 DO - 10.5593/sgem2020/1.2/s03.036 PB - STEF92 Technology ER -