Kukkonen, I.T., and P. Peltonen. “Geotherm and a Rheological Profile for the Central Fennoscandian Lithosphere”. International Kimberlite Conference: Extended Abstracts 7, no. 1 (April 17, 1998): 478–479. Accessed April 19, 2021. http://ikcabstracts.com/index.php/ikc/article/view/2775.