1. Investigation sites of the Swedish Coniferous Forest Project—Biological and physiological features;Axelsson,1980
2. Decomposition rate and chemical changes of Scots pine needle litter. II. Influence of chemical composition;Berg,1980
3. Leaching, accumulation and release of nitrogen in decomposing forest litter;Berg,1981
4. Chemical components of Scots pine needles and needle litter and inhibition of fungal species by extractives;Berg,1980
5. Nitrogen level and decomposition in Scots pine needle litter;Berg;Oikos,1982