GUERRERO, Maribel Suyapa; STEMBORG, Guillermo; ROVIERA, Marta. Sky background intensity as an indicator of solar CMEs and geomagnetic effects. Jornual of Science and Technology, [S. l.], n. 10, p. 135–149, 2013. DOI: 10.5377/rct.v0i10.1067. Disponível em: https://www.camjol.info/index.php/RCT/article/view/1067. Acesso em: 8 dec. 2025.