Effects of the Severe Winter of 1965/66 upon Winter Bird Fauna in Finland
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Hildén, O., & Koskimies, J. (1969). Effects of the Severe Winter of 1965/66 upon Winter Bird Fauna in Finland. Ornis Fennica, 46(1), 22–31. Hämtad från https://ornisfennica.journal.fi/article/view/132755