L. Westra, F. J. Elbers, and W. S. Sijperda. “Investigations in the Västervik Area, Southeastern Sweden - 1. Structural Geology and Genesis of the "younger" Granites”. Netherlands Journal of Geosciences (January 1, 1969): 529-544. Accessed November 4, 2026. https://njgjournal.nl/index.php/njg/article/view/15109.