Stoyan Patalov. "APPLICATION OF RADIAL BASIS FUNCTIONS IN LOCAL GEOID DETERMINATION." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Informatics, Geoinformatics and Remote Sensing (2020): 19-26. https://doi.org/10.5593/sgem2020/2.2/s09.003