@inproceedings{sgem2021s0957,
  title = {VELOCITY FIELD IN SOUTHWEST BULGARIA OBTAINED FROM GNSS DATA},
  author = {Nikolay Dimitrov and Ivan Georgiev and Petar Danchev},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Informatics, Geoinformatics and Remote Sensing},
  year = {2021},
  pages = {229-236},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2021/2.1/s09.57}
}