TJERNBERG, Martin; RYTTMAN, Hans. Survival and population development of the Honey Buzzard Pernis apivorus in Sweden. Ornis Svecica, Lund, Sweden, v. 4, n. 2–3, p. 133–139, 1994. DOI: 10.34080/os.v4.23027. Disponível em: https://journals.lub.lu.se/os/article/view/23027. Acesso em: 4 may. 2024.