Na+ activity as measured in natural waters, humid soils and vegetation in the area around Fiskenæsfjorden (Qeqertarssuatsiait kangerdluat), southern West Greenland. rapggu [Internet]. 1972 Jan. 1 [cited 2025 Nov. 3];45:25-7. Available from: https://geusjournals.org/index.php/rapggu/article/view/7291