Salvigsen , Otto, and Anne Elgersma. “Large-Scale Karst Features and Open Taliks at Vardeborgsletta, Outer Isfjorden, Svalbard”. Polar Research 3, no. 2 (January 12, 1985): 145-153. Accessed March 26, 2026. https://polarresearch.net/index.php/polar/article/view/2521.