Kempf Christian, and Sittler Benoit. “Census of Breeding Seabirds on the Northwest Coast of Svalbard 1973 and 1978”. Polar Research 6, no. 2 (January 12, 1998): 195-203. Accessed April 19, 2024. https://polarresearch.net/index.php/polar/article/view/2435.