MANANDHAR, N.; FORSBERG, R. Role of geo-potential models in gravity field determination. Journal on Geoinformatics, Nepal, [S. l.], v. 8, n. 1, p. 34–37, 2009. DOI: 10.3126/njg.v8i1.39706. Disponível em: https://www.nepjol.info/index.php/NJG/article/view/39706. Acesso em: 27 jan. 2022.