SVENSSON, S. Start of egg-laying in relation to latitude and elevation among Swedish Starlings Sturnus vulgaris in 1988—2003. Ornis Svecica, Lund, Sweden, v. 14, n. 4, p. 143–149, 2004. DOI: 10.34080/os.v14.22758. Disponível em: https://journals.lub.lu.se/os/article/view/22758. Acesso em: 22 may. 2022.