Bojesen-Koefoed, Jørgen A, and H Peter Nytoft. “Petroleum Geochemistry of the Deepened Lopra-1 1A Re-Entry Well, Faroe Islands”. GEUS Bulletin 9 (May 31, 2006): 67–77. Accessed October 25, 2025. https://geusbulletin.org/index.php/geusb/article/view/4860.