STUDYING THE STATE OF VOLGA-BULGARIAN FORTIFIED SETTLEMENTS UNDER AGRICULTURAL IMPACT WITH THE USE OF MULTI-TIME AERIAL AND SPACE IMAGERY
Айрат Маратович Губайдуллин · SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Informatics, Geoinformatics and Remote Sensing
