1. Effects of experimental acidification and liming on soil organisms and decomposition in a Scots pine forest.;Bååth;Pedobiologia,1980
2. Baermann, G., 1917. Eine einfache Methode zur Auffindung von Ankylostomum-(Nematoden)-Larven in Erdproben. Meded. uit. h. geneesk. Labor. Weltevreden, Feestbundel, 41 —47.
3. The ecological importance of free-living soil nematodes with special references to those of moorland soil.;Banage;J. Anim. Ecol.,1963
4. Soil pH effects on nematode populations associated with soybeans.;Burns;J. Nematology,1971
5. Methoden der Bodenbiologie.;Dunger,1989