Larsen, O. 1971. Reconnaissance K/Ar dating of samples from West Greenland between Søndre Strømfjord and Frederikshåb Isblink. Rapport Grønlands Geologiske Undersøgelse. 35, (Jan. 1971), 44–48. DOI:https://doi.org/10.34194/rapggu.v35.7265.