Christiansen, F.G, O Nykjær, and H Nøhr-Hansen. “Source Rock Investigations and Shallow Core Drilling in Central and Western North Greenland”. Rapport Grønlands Geologiske Undersøgelse 130 (December 31, 1986): 17–23. Accessed July 3, 2024. https://geusjournals.org/index.php/rapggu/article/view/7936.