Nikolay Dimitrov, Radoslav Nakov. STRAIN ACCUMULATION IN SOUTHWEST BULGARIA DERIVED FROM GNSS MEASUREMENTS. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Informatics, Geoinformatics and Remote Sensing, 2021, pp. 205-212. https://doi.org/10.5593/sgem2021/2.1/s09.53