FÖLDVÁRY, Lóránt. Analysis of Numerical Differentiation Methods Applied for Determination of Kinematic Velocities for LEOs. Periodica Polytechnica Civil Engineering, [S. l.], v. 51, n. 1, p. 17–24, 2007. 10.3311/pp.ci.2007-1.03. Disponível em: https://pp.bme.hu/ci/article/view/538. Acesso em: 25 dec. 2024.