DE KROON, G H J; MOMMERS, M H J. Why is the Water Rail Rallus aquaticus a very scarce breeder north of 61° N?. Ornis Svecica, Lund, Sweden, v. 13, n. 2–3, p. 47–52, 2003. DOI: 10.34080/os.v13.22806. Disponível em: https://journals.lub.lu.se/os/article/view/22806. Acesso em: 24 apr. 2024.