LINKOLA, P. Zur Methodik der quantitativen Vogelforschung in den Binnengewässern. Ornis Fennica, [S. l.], v. 36, n. 3–4, p. 66–78, 1959. Disponível em: https://ornisfennica.journal.fi/article/view/132640. Acesso em: 23 nov. 2024.