NILSSON, Jan-Eric. A 20-year study of a nest-box breeding bird population with special regard to the Pied Flycatcher Ficedula hypoleuca. Ornis Svecica, Lund, Sweden, v. 18, n. 1, p. 52–64, 2019. DOI: 10.34080/os.v18.20235. Disponível em: https://journals.lub.lu.se/os/article/view/20235. Acesso em: 20 jul. 2024.