HA, M. H.; NGUYEN, T. T. H. Perfection of a formula for transformation of the normal height from mean tide system to zero - tide system . Journal of Geodesy and Cartography, [S. l.], n. 9, p. 1–8, 2011. DOI: 10.54491/jgac.2011.9.457. Disponível em: https://jgac.vn/journal/article/view/457. Acesso em: 3 jul. 2024.