Hougaard G, Jepsen H, Neve J. GGU’s photogeological laboratory: aerial photogrammetry – a valuable geological mapping tool in Greenland. rapggu [Internet]. 1991 Jan. 1 [cited 2024 Nov. 27];152:32-5. Available from: https://geusjournals.org/index.php/rapggu/article/view/8150