Thomsen, H.H, O.B Olesen, R.J Braithwaite, and C.E Bøggild. “Ice Drilling and Mass Balance at Pâkitsoq, Jakobshavn, Central West Greenland”. Rapport Grønlands Geologiske Undersøgelse 152 (January 1, 1991): 80–84. Accessed May 18, 2024. https://geusjournals.org/index.php/rapggu/article/view/8160.