BULYUK, Victor; CHERNETSOV, Nikita. Two migratory flights of Sedge Warblers Acrocephalus schoenobaenus from Finland to Estonia. Ornis Svecica, Lund, Sweden, v. 10, n. 2, p. 79–83, 2000. DOI: 10.34080/os.v10.22879. Disponível em: https://journals.lub.lu.se/os/article/view/22879. Acesso em: 4 may. 2024.