VOGRIN, Milan. Äggstorlek hos fisktärna Sterna hirundo i Slovenien. Ornis Svecica, Lund, Sweden, v. 8, n. 3, p. 87–90, 1998. DOI: 10.34080/os.v8.22948. Disponível em: https://journals.lub.lu.se/os/article/view/22948. Acesso em: 18 juli. 2024.