@inproceedings{sgem2006paper,
  title = {SINGLE FREQUENCY GPS TECHNOLOGY APPLICATION FOR DEFORMATION MONITORING OF ENGINEERING STRUCTURES},
  author = {K. Kotzeva},
  booktitle = {6th International Scientific Conference - SGEM},
  year = {2006},
  pages = {237-242},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}