Raulin JP, Correia de Matos DP, Hadano R, Saraiva CV, Correia E, Kaufmann P. The south America VLF NETwork (SAVNET): Development, installation status, first results. Geofis Int [Internet]. 2009 Jul. 1 [cited 2024 May 18];48(3):253-61. Available from: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/312