Birkenmajer, K. “Relation of the Upper to Middle Devonian Continental Deposits in Southern Wegener Halvø, Central East Greenland”. Rapport Grønlands Geologiske Undersøgelse 85 (December 31, 1977): 98–102. Accessed July 3, 2024. https://geusjournals.org/index.php/rapggu/article/view/7539.