@inproceedings{sgem2008paper,
  title = {ANALYSIS OF GEODETIC DATA FOR INVESTIGATING POLAR MOTION},
  author = {TS. Tsenkov and S. Gospodinov},
  booktitle = {8th International Scientific Conference - SGEM2008},
  year = {2008},
  pages = {445-454},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}