I.S. Oen and R.H. Verschure (1985) “Isotopic age determinations in Bergslagen, Sweden: VII. The Fellingsbro-type Granite east of Kopparberg”, Netherlands Journal of Geosciences, pp. 385-388. Available at: https://njgjournal.nl/index.php/njg/article/view/13204 (Accessed: 1April2026).