@inproceedings{sgem2015s8080,
  title = {GNSS L1 POSITIONING WITH SBAS},
  author = {Maciej Wrona},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, INFORMATICS, GEOINFORMATICS AND REMOTE SENSING},
  year = {2015},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2015/b21/s8.080}
}