TOIVARI, L.; LINDQVIST, O. Daily singing rhythmics of the marsh warbler (Acrocephalus palustris) and Blyth´s reed warbler (Acrocephalus dumetorum). Ornis Fennica, [S. l.], v. 39, n. 4, p. 151–154, 1962. Disponível em: https://ornisfennica.journal.fi/article/view/132678. Acesso em: 20 apr. 2025.