BORGSTRÖM, E. Dwarf eggs—an addition. Ornis Svecica, Lund, Sweden, v. 15, n. 3, p. 172–173, 2005. DOI: 10.34080/os.v15.22741. Disponível em: https://journals.lub.lu.se/os/article/view/22741. Acesso em: 6 jul. 2022.