@inproceedings{sgem2023s0925, title = {GNSS MONITORING OF THE GEODYNAMIC PROCESSES IN THE AREA OF SOFIA AN IMPORTANT TOOL FOR STUDYING OF RECENT GEODYNAMICS AND NATURAL RISK PREVENTION IN A HIGHLY POPULATED AREA}, author = {Nikolay Dimitrov and Radoslav Nakov and Anton Ivanov and P. Danchev}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2023, Informatics, Geoinformatics and Remote Sensing, Vol 23, Issue 2.1.}, year = {2023}, pages = {201-208}, publisher = {STEF92 Technology}, doi = {10.5593/sgem2023/2.1/s09.25} }