1.
Toivari L, Lindqvist O. The Marsh Warbler (Acrocephalus palustris) and Blyth´s Reed Warbler (Acrocephalus dumetorum) in the district of Lappeenranta, Summer 1960. Ornis Fenn [Internet]. 1961Dec.31 [cited 2024Nov.23];38(3–4):93–95. Available from: https://ornisfennica.journal.fi/article/view/132663