Kalsbeek, F. and Leake, B. 1970. The chemistry and origin of some basement amphibolites between Ivigtut and Frederikshåb, South-West Greenland. Bulletin Grønlands Geologiske Undersøgelse. 90, (Nov. 1970), 1–36. DOI:https://doi.org/10.34194/bullggu.v90.6630.