CHRISTIANSEN, F. G. Review of Survey activities 2012: Colophon, contents, introduction. GEUS Bulletin, Copenhagen, Denmark, v. 28, p. 1–8, 2013. DOI: 10.34194/geusb.v28.4707. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4707. Acesso em: 28 sep. 2022.