@inproceedings{sgem2020s10028,
  title = {LAND COVER CHANGES IN THE OGOSTA VALLEY FOR THE PERIOD 1993-2019},
  author = {Velimira Stoyanova and Tsvetan Kotsev and Emilia Tcherkezova and Georgi Zhelezov and Nelly Koleva},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Informatics, Geoinformatics and Remote Sensing},
  year = {2020},
  pages = {233-240},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2020/2.2/s10.028}
}