SELSTAM, G.; SONDELL, J.; OLSSON, P. Wintering area and migration routes for Ortolan Buntings Emberiza hortulana from Sweden determined with light-loggers. Ornis Svecica, Lund, Sweden, v. 25, n. 1–2, p. 3–14, 2015. DOI: 10.34080/os.v25.19599. Disponível em: https://journals.lub.lu.se/os/article/view/19599. Acesso em: 10 dec. 2022.