@inproceedings{sgem2019s10079,
  title = {STUDYING THE STATE OF VOLGA-BULGARIAN FORTIFIED SETTLEMENTS UNDER AGRICULTURAL IMPACT WITH THE USE OF MULTI-TIME AERIAL AND SPACE IMAGERY},
  author = {Айрат Маратович Губайдуллин},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Informatics, Geoinformatics and Remote Sensing},
  year = {2019},
  pages = {639-646},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2019/2.2/s10.079}
}