NING, Fang-Shii. USING SURFACE FITTING AND BUFFER ANALYSIS TO ESTIMATE REGIONAL GEOIDAL UNDULATION. Boletim de Ciências Geodésicas, [S. l.], v. 21, n. 3, 2015. DOI: 10.5380/bcg.v21i3.43217. Disponível em: https://revistas.ufpr.br/bcg/article/view/43217. Acesso em: 4 jan. 2026.