GEOTECHNICAL INVESTIGATION AND SPATIAL ORIENTATION OF THE SEDIMENTS OF THE TOPOLA FORMATION IN THE AREA OF THE TOPOLA VILLAGE LANDSLIDES, NORTHEAST BULGARIA
Miroslav Кrastanov, Rosen Nankin, Plamen Ivanov · SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th SGEM International Multidisciplinary Scientific GeoConference Proceedings 2020, Science and Technologies in Geology, Exploration And Mining
