Korpimäki, E. 1986: Seasonal changes in the food of the Tengmalm's owl Aegolius funereus in western Finland. Annales Zoologici Fennici 23: 339344.
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Huhta, V., Hyvonen, R., Kaasalainen, P., Koskenniemi, A., Muona, J., Mäkelä, I., Sulander, M. & Vilkamaa, P. 1986: Soil fauna of Finnish coniferous forests. Annales Zoologici Fennici 23: 345360.
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Tuiskunen, J. & Lindeberg, B. 1986: Chironomidae (Diptera) from Fennoscandia north of 68deg.N, with a description of ten new species and two new genera. Annales Zoologici Fennici 23: 361393.
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Gyllenberg, G. 1986: The influence of oil pollution on three copepods at Helsinki, Finland. Annales Zoologici Fennici 23: 395399.
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