1. Impacts of acid precipitation on coniferous forest ecosystems;Abrahamsen;Water, Air and Soil Pollution,1977
2. Quantities of plant nutrients in the microbial biomass of selected soils;Anderson;Soil Science,1980
3. Microbial immobilization of carbon, nitrogen, phosphorus and potassium, implication for forest ecosystem processes;Ausmus,1976
4. Inorganic forms of nitrogen;Bremner,1965
5. Influence des pluviolessivats de hêtre et de pin sylvestre sur les processus d'humification;Buckert;Oecologia Plantarum,1971