@inproceedings{sgem2019s09032,
  title = {PRELIMINARY RESULTS OF CONNECTION BETWEEN TWO STATE LEVELING NETWORKS VIA CROSS-BORDER LEVELLING MEASUREMENTS},
  author = {Elena Peneva},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Informatics, Geoinformatics and Remote Sensing},
  year = {2019},
  pages = {257-266},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2019/2.2/s09.032}
}