NILSSON, Leif. Changes in numbers and distribution of wintering Long-tailed Ducks Clangula hyemalis in Swedish waters during the last fifty years. Ornis Svecica, Lund, Sweden, v. 26, n. 3–4, p. 162–176, 2016. DOI: 10.34080/os.v26.21855. Disponível em: https://journals.lub.lu.se/os/article/view/21855. Acesso em: 28 mar. 2024.