1. Supplement, Zum Erkennen von Immissionsschäden an Waldbäumen;Forstz.,1983
2. Wirkungen von Ozon auf die apparente Photosynthese von Tanne and Buche;Arndt;Allg. Forstzeitschr. Heft 1/2,,1985
3. The role of ozone in forest damage in West Germany;Ashmore;Ambio,1985
4. Responses to different quantum densities;Bjorkmann,1981
5. The accumulation of proline in needles of damaged spruce;Bode;Forstw. Cbl.,1985