L. Westra, F. J. Elbers and W. S. Sijperda (1969) “Investigations in the Västervik area, southeastern Sweden - 1. Structural geology and genesis of the "younger" granites”, Netherlands Journal of Geosciences, pp. 529-544. Available at: https://njgjournal.nl/index.php/njg/article/view/15109 (Accessed: 4November2026).