BORGSTRÖM, E. Mixed clutches of Pied Flycatcher Ficedula hypoleuca, Blue Tit Parus caeruleus, and Great Tit P. major. Ornis Svecica, Lund, Sweden, v. 15, n. 1, p. 43–44, 2005. DOI: 10.34080/os.v15.22304. Disponível em: https://journals.lub.lu.se/os/article/view/22304. Acesso em: 6 jul. 2022.