Korpimäki, E. (1988) “Diet of breeding Tengmalm`s Owls Aegolius funereus: long-term changes and year-to-year variation under cyclic food conditions”, Ornis Fennica, 65(1), pp. 21–30. Available at: https://ornisfennica.journal.fi/article/view/133252 (Accessed: 25November2024).