FÖLDVÁRY, Lóránt. Spectral analysis of CHAMP kinematic velocities determined by applying smoothing cubic splines. Periodica Polytechnica Civil Engineering, [S. l.], v. 52, n. 1, p. 29–34, 2008. 10.3311/pp.ci.2008-1.04. Disponível em: https://pp.bme.hu/ci/article/view/525. Acesso em: 17 may. 2024.