FÖLDVÁRY, Lóránt; BOKOR, Zsolt. Determination of a CHAMP gravity model based on the Newtonian equation of motion. Periodica Polytechnica Civil Engineering, [S. l.], v. 54, n. 2, p. 155–161, 2010. 10.3311/pp.ci.2010-2.11. Disponível em: https://pp.bme.hu/ci/article/view/507. Acesso em: 13 oct. 2024.