[ Published in: Pollution ]
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[Restabilizing measures, fertilization. Final evaluation - further research requirements]
1986
Evers, F.H.
ZB MED Nutrition. Environment. Agriculture - Germany
[The role of the State Institute for Ecology, Landscape Development and Forestry Planning of North Rhine-Westphalia in the clarification of the causes of new types of forest dieback]
1987
Schmidt, A. (Landesanstalt fuer Oekologie, Landschaftsentwicklung und Forstplanung des Landes Nordrhein-Westfalen, Recklinghausen (Germany, F.R.))
ZB MED Nutrition. Environment. Agriculture - Germany
[The research topic of North Rhine-Westphalia on "air pollution and forest damage". - Research plan for the research programme]
1987
Koeth, I. | Prinz, B.
ZB MED Nutrition. Environment. Agriculture - Germany
Air pollution control in Switzerland. Actual problems, expectations and demands on research
1992
Boehlen, B. (Bundesamt fuer Umwelt, Wald und Landschaft (BUWAL), Berne (Switzerland)) | Leutert, G.
ZB MED Nutrition. Environment. Agriculture - Germany
Environmental research with plants in closed chambers
1990
Payer, H. D. | Pfirrmann, T. | Mathy, P. (Pierre)
National Agricultural Library - United States of America
(Tasks to be solved by agriculture - aspects of technology)
1993
Rimpau, J. (Domaene Voldagesen, Einbeck (Germany))
ZB MED Nutrition. Environment. Agriculture - Germany
