(1)
Chadwick, B.; Dawes, P.; Escher, J.; Friend, C.; Hall, R.; Kalsbeek, F.; Nielsen, T.; Nutman, A.; Soper, N.; Vasudev, V. The Proterozoic Mobile Belt in the Ammassalik Region, South-East Greenland (Ammassalik Mobile belt): An Introduction and Re-Appraisal. rapggu 1989, 146, 5-12.