RICHTER, Peter; PAŠTEKA, Roman. Calculation of the numerical derivatives – comparison of the software. Contributions to Geophysics and Geodesy, [S. l.], v. 35, n. 1, p. 19–32, 2021. Disponível em: https://journal.geo.sav.sk/cgg/article/view/363. Acesso em: 16 aug. 2025.