Ekroos J, Fox AD, Christensen TK, Petersen IK, Kilpi M, Jonsson JE, Green M, Laursen K, Cervencl A, de Boer P, Nilsson L, Meissner W, Garthe S, Öst M. Declines amongst breeding Eider Somateria mollissima numbers in the Baltic/Wadden Sea flyway. Ornis Fenn [Internet]. 2012Jul.1 [cited 2024Nov.21];89(2):81–90. Available from: https://ornisfennica.journal.fi/article/view/133795