1. On the factors acting upon the qualities of the humus containing layer of natural soils.;Aarnio;Maataloustieteeilinen Aikakausikirja,1935
2. The breakdown and decomposition of sweet chestnut (Castanea sativa Mill.) and beech (Fagus sylvatica L.) leaf litter in two deciduous woodland soils. II. Changes in the carbon, hydrogen, nitrogen and polyphenol content.;Anderson;Oecologia (Berl.),1973
3. Investigation sites of the Swedish Coniferous Forest Project — Biological and physiological features.;Axelsson;In: Persson, T. (ed.), Structure and function of northern coniferous forests. An Ecosystem Study. Ecol. Bull. (Stockholm),1980
4. Decomposition rate and chemical changes in decomposing needle litter of Scots pine. II. Influence of chemical composition.;Berg;In: Persson, T. (ed.), Structure and function of northern coniferous forests. An Ecosystem Study. Ecol. Bull. (Stockholm),1980
5. Fungal biomass and nitrogen in decomposing Scots pine needle litter.;Berg;Soil Biol. Biochem.,1979