MARZUKI, Marzuki et al. ULF geomagnetic anomaly associated with the Sumatra-Pagai Islands earthquake swarm during 2020. Contributions to Geophysics and Geodesy, [S. l.], v. 52, n. 2, p. 185‒207, 2022. DOI: 10.31577/congeo.2022.52.2.2. Disponível em: https://journals.savba.sk/index.php/cgg/article/view/5387. Acesso em: 4 feb. 2026.