LEHTILÄ, K.; ENNOLA, K.; SYRJÄNEN, K. The effect of summer cottages on land bird numbers in a Finnish archipelago. Ornis Fennica, [S. l.], v. 73, n. 2, p. 49–59, 1996. Disponível em: https://ornisfennica.journal.fi/article/view/133437. Acesso em: 18 maj. 2024.