1. Vegetation zones and their sections in northwestern Europe;Ahti;Ann. Bot. Fennici,1968
2. Associations between corticolous microarthropod communities and epiphytic cover on bark;André;Holarct. Ecol.,1985
3. Ancient-forest invertebrates of the Pyhän-Häkki national park in Central Finland;Biström;Acta Zool. Fenn.,1988
4. Rank transformations as a bridge between parametric and nonparametric statistics;Conover;Amer. Stat.,1981
5. Boreal forests — the focal habitats of Fennoscandia;Esseen,1992