CHRISTIANSEN, F G. Review of Survey activities 2013. GEUS Bulletin, Copenhagen, Denmark, v. 31, p. 1–8, 2014. DOI: 10.34194/geusb.v31.4629. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4629. Acesso em: 20 oct. 2025.