1.
Pincheira XT, Batista IS, Abdu MA, Richards PG. Negative phases at South-American stations during magnetic storms. Geofis Int [Internet]. 1 de enero de 2000 [citado 3 de julio de 2024];39(1):109-15. Disponible en: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/679