Dunker, Henning. “Use of Two Distant Nesting Areas As a Breeding Strategy of Golden Eagles (Aquila Chrysaetos) in Valdres, Southeast Norway”. Ornis Norvegica 44 (March 29, 2021): 12-18. Accessed October 28, 2021. https://boap.uib.no/index.php/ornis/article/view/3114.