1. Effects of acid precipitation on coniferous forests;Abrahamsen,1976
2. Die Beteiligung von Ozon an der Komplexkrankheit der Tanne (Abies alba Mill.)—eine prüfenswerte Hypothese;Arndt;Staub- Reinhaltung der Luft,1982
3. The influence of ozone and acid mist on the amount and wettability of the surface waxes in Norway spruce (Picea abies Karst.) needles;Barnes;New Phytologist,1989
4. The influence of ozone, acid mist and soil nutrient status on the water relations of Norway spruce (Picea abies Karst.);Barnes;New Phytologist,1989
5. Ernährungsstörungen bei Kulturpflanzen;Bergmann,1986