@inproceedings{sgem2019s09002,
  title = {ANALYSIS OF 90 YEARS SEA LEVEL DATA AT VARNA TIDE GAUGE STATION},
  author = {Anton Ivanov},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Informatics, Geoinformatics and Remote Sensing},
  year = {2019},
  pages = {11-16},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2019/2.2/s09.002}
}