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Nutrient disturbances in forest trees and the nature of the forest decline in Quebec and Germany.
1990
Tomlinson G.H.
Wolters Kluwer - United States of America
The state of transboundary air pollution: 1989 update. Report prepared within the framework of the Convention on Long-Range Transboundary Air Pollution.
1990
Wolters Kluwer - United States of America