PÖYSÄ, H. Temporal and spatial dynamics of waterfowl population in a wetland area-a community ecological approach. Ornis Fennica, [S. l.], v. 61, n. 4, p. 99–108, 1984. Disponível em: https://ornisfennica.journal.fi/article/view/133156. Acesso em: 23 nov. 2024.