Eriksson, Mats O G, Ingemar Johansson, and Claes-Göran Ahlgren. “Levels of Mercury in Eggs of Red-Throated Diver Gavia Stellata and Black-Throated Diver G. Arctica in Southwest Sweden”. Ornis Svecica 2, no. 1 (January 1, 1992): 29–36. Accessed April 20, 2024. https://journals.lub.lu.se/os/article/view/23082.