1.
Häyrinen U, Järvinen O, Kouki J. The bird sanctuary of Kesonsuo, a raised bog in North Karelia: its breeding bird assemblages, summer visitors and spring migrants. Ornis Fenn [Internet]. 1986Dec.31 [cited 2024Nov.22];63(4):97–111. Available from: https://ornisfennica.journal.fi/article/view/133215