Dorofeev, Dmitry, Yury Anisimov, Olga Anisimova, and Konstantin Litvin. “Number and Distribution of Barnacle Goose Branta Leucopsis Colonies on the Timansky Coast of the Barents Sea in 2009”. Ornis Norvegica 36 (September 18, 2013): 25-27. Accessed August 12, 2020. https://boap.uib.no/index.php/ornis/article/view/436.