Zingg, A., and J.C. Hunziker. “The Ivrea Zone, an Example of the Evolution of Deep Continental Crust”. International Kimberlite Conference: Extended Abstracts 3 (September 1, 1982): 236–237. Accessed February 6, 2025. https://journals.library.ualberta.ca/ikcabstracts.com/index.php/ikc/article/view/2341.