IBARRA GRANDA, Juan Alberto; SOARES DA SILVA, Edgar. Comparison of different Mercator projection systems for the topographical survey of the Buchanan-Tokadeh (Yekepa) railway, Liberia, Africa. Geodesy and Cartography, [S. l.], v. 51, n. 4, p. 188–197 , 2025. DOI: 10.3846/gac.2025.21650. Disponível em: https://journals.vilniustech.lt/index.php/GAC/article/view/21650. Acesso em: 13 dec. 2025.