POLAK, M.; CIACH, M. Behaviour of Black-throated Diver Gavia arctica and Red-throated Diver Gavia stellata during autumn migration stopover. Ornis Svecica, Lund, Sweden, v. 17, n. 2, p. 90–94, 2021. DOI: 10.34080/os.v17.22691. Disponível em: https://journals.lub.lu.se/os/article/view/22691. Acesso em: 6 jul. 2022.