Investigations of the Structure of the Diurnal Variations of Geomagnetic Field. Geologica Macedonica, [S. l.], v. 26, n. 1, p. pp.37–51, 2013. Disponível em: https://js.ugd.edu.mk/index.php/GEOLMAC/article/view/650. Acesso em: 3 may. 2026.