BRØGGER SØRENSEN, Peter; LYKKE-ANDERSEN, Holger; GRAVESEN, Peter; NILSSON, Bertel. Karst sinkhole mapping using GIS and digital terrain models. GEUS Bulletin, Copenhagen, Denmark, v. 38, p. 25–28, 2017. DOI: 10.34194/geusb.v38.4392. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4392. Acesso em: 16 dec. 2025.