ESHAGH, Mehdi. On the convergence of spherical harmonic expansion of topographic and atmospheric biases in gradiometry. Contributions to Geophysics and Geodesy, [S. l.], v. 39, n. 4, p. 273–299, 2009. DOI: 10.2478/v10126-009-0010-8. Disponível em: https://journals.savba.sk/index.php/cgg/article/view/5119. Acesso em: 4 feb. 2026.