Appel, P.W.U. “Tourmalinites in Supracrustal Rocks in the Bjørnesund Area, West Greenland”. Rapport Grønlands Geologiske Undersøgelse 155 (January 1, 1992): 73–78. Accessed November 27, 2024. https://geusjournals.org/index.php/rapggu/article/view/8184.