ELGMORK, K. Seasonal variation of birds on a feeding site in a suburban area near Oslo, Norway. Fauna norvegica, [S. l.], v. 22, p. 1-8, 2002. DOI: 10.5324/fn.v22i0.5983. Disponível em: https://www.ntnu.no/ojs/index.php/fauna_norvegica/article/view/5983. Acesso em: 27 dec. 2024.