1. Armitage, A. H., Hooper, P. R., Lewis, D., and Pearson, D. E., 1971, Stratigraphic correlation in the Caledonian rocks of S. W. Finnmark and North Troms: Norges Geol. Unders., v. 269, p. 318–322.
2. Asklund, B., 1955, Norges geologi och fjellkedje problem: Geol. Fören. Stockholm Förh., v. 77, p. 185–203.
3. Asklund, B., 1960, The geology of the Caledonian Mountain Chain and of Adjacent Area in Sweden: Sveriges Geol. Undersökn., Ser Ba, N:O, v. 16, p. 126–149.
4. Bailey, E. B. and Holtedahl, O., 1938, Regionale Geologie der Erde, Bd. 11, North Western Europe, Caledonides: Leipzig, Akademische Verlag, 76 pp.
5. Banham, P. H. and Elliot, R. E., 1965, Geology of the Hestbrepiggen area: Norsk Geol. Tidsskr., v. 45, p. 189–198.