JONZÉN, N.; WALDENSTRÖM, J.; SVENSSON, S. Population dynamics of the Swedish Ornithological Society. Ornis Svecica, Lund, Sweden, v. 13, n. 4, p. 107–114, 2003. DOI: 10.34080/os.v13.22802. Disponível em: https://journals.lub.lu.se/os/article/view/22802. Acesso em: 1 oct. 2022.