ERIKSSON, K. On occurrence and ecology of Blyth’s Reed Warbler (Acrocephalus dumetorum) and Marsh Warbler (A. palustris) in Finland. Ornis Fennica, [S. l.], v. 46, n. 4, p. 157–170, 1969. Disponível em: https://ornisfennica.journal.fi/article/view/132774. Acesso em: 23 nov. 2024.