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By: US-USSR Symposium on Air Pollution Effects on Vegetation Including Forest Ecosystems Corvallis, Or., etc.) - Noble, Reginald D. - Martin, Juri L. - Jensen, Keith F. - United States. Forest Service. - United States. Environmental Protection Agency.Edition:Publication info: Broomall, PA, Northeastern Forest Experiment Station, [1989?]Volume: 1989Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: