@inproceedings{sgem2020s02067,
  title = {GEOTECHNICAL INVESTIGATION AND SPATIAL ORIENTATION OF THE SEDIMENTS OF THE TOPOLA FORMATION IN THE AREA OF THE TOPOLA VILLAGE LANDSLIDES, NORTHEAST BULGARIA},
  author = {Miroslav Кrastanov and Rosen Nankin and Plamen Ivanov},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th SGEM International Multidisciplinary Scientific GeoConference Proceedings 2020, Science and Technologies in Geology, Exploration And Mining},
  year = {2020},
  pages = {547-552},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2020/1.1/s02.067}
}