Prof. Dr. Gelvam André Hartmann Assistant Professor Faculty DGRN Room 343 gelvam [at] ige.unicamp.br +55 19 3521-4572 Lines of Research Geotechnologies Applied to the Study of Natural Resources Areas of Interest Archeomagnetism Geomagnetism Environmental Magnetism Curriculum Lattes http://lattes.cnpq.br/6186195219221290 Google Scholar https://scholar.google.com.br/citations?hl=&user=kCka2CwAAAAJ Orcid https://orcid.org/0000-0001-6078-3893