Petroškevičius, Petras, Romuald Obuchovski, Rosita Birvydienė, Ričardas Kolosovskis, Raimundas Putrimas, Boleslovas Krikštaponis, Dovydas Macijauskas, et al. “New Research on Gravity Field in Lithuanian Territory”. International Conference “Environmental Engineering” 10 (January 1, 2017): 1–7. Accessed May 24, 2026. https://conferences.vilniustech.lt/index.php/ENVIRO/article/view/981.