1. Plant Litter. Decomposition, Humus Formation, Carbon Sequestration;Berg,2003
2. Long-term spruce forest continuity – a challenge for a sustainable Scandinavian forestry
3. The Influence of Island Area on Ecosystem Properties
4. Om strøfallet i våre skoger. En analyse av skogstrøets mengde, kjemiske innhold og de faktorer som innvirker på disse;Mork,1942
5. Amount and chemical composition of the litter from larch, beech, Norway spruce and Scots pine stands and its effect on the soil;Bonnevie-Svendsen,1957