TY  - CPAPER
AU  - Elena Peneva
AU  - Yuri Tsanovski
AU  - Georgi Mihaylov
TI  - COMPARATIVE ANALYSIS OF LOCAL QUASI-GEOID MODELS APPLICATION IN BULGARIA THROUGH DIRECT GNSS AND LEVELLING MEASUREMENTS
T2  - SWS 2026 Conference Preprints
PY  - 2026
PB  - STEF92 Technology
ER  -