IBRAHIM YAHAYA, Salissou; EL AZZAB, Driss. High-resolution residual terrain model and terrain corrections for gravity field modelling and geoid computation in Niger Republic. Geodesy and Cartography, [S. l.], v. 44, n. 3, p. 89–99, 2018. DOI: 10.3846/gac.2018.3787. Disponível em: https://journals.vilniustech.lt/index.php/GAC/article/view/3787. Acesso em: 9 may. 2025.