Brøgger Sørensen P, Lykke-Andersen H, Gravesen P, Nilsson B. Karst sinkhole mapping using GIS and digital terrain models. GEUS Bulletin [Internet]. 2017 Jul. 31 [cited 2024 Apr. 26];38:25-8. Available from: https://geusbulletin.org/index.php/geusb/article/view/4392