Franco, L. and Hoyer, M. (2011) “Geoidal correction methods for GPS geodetics measurements (Geoidal correction)”, Rev. Téc. Fac. Ing. Univ. Zulia, 18(2). Available at: https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/5472 (Accessed: 28June2025).