PRASANNA, H. Validation of high-resolution global geopotential models over Sri Lanka using ground gravity & GPS-levelling data. Journal of the Sri Lanka Association for the Advancement of Science, [S. l.], v. 4, n. 1, p. 12–21, 2022. DOI: 10.5281/zenodo.7498106. Disponível em: https://journal.slaas.lk/index.php/JSLAAS/article/view/12. Acesso em: 2 mar. 2024.