1. Ecological study of Lumbricidae (Oligochaeta) in Norwegian coniferous forest soils.;Abrahamsen;Pedobiologia,1972
2. Ecological study of Enchytraeidae (Oligochaeta) in Norwegian coniferous forest soils.;Abrahamsen;Pedobiologia,1972
3. Influence of soil animals on decomposition of scots pine needle litter.;Berg,1980
4. Zur Biologie und Taxonomie der Phthiracaroidea (Acari: Oribatei) in einen Buchenwald.;Berg,1989
5. Distribution pattern and phenology of Phthiracaridae and Euphthiracaridae (Acari: Oribatei) in a beech forest.;Berg,1991