SIKORA, D. J. The frequency method in studying habitat preferences of common forest birds in south-east Poland . Baltic Forestry, [S. l.], v. 27, n. 2, 2021. DOI: 10.46490/BF540. Disponível em: https://balticforestryojs.lammc.lt/ojs/index.php/BF/article/view/540. Acesso em: 5 may. 2024.