01404nam a2200289Ia 4500001000700000003000500007005001700012008004100029010001500070050002100085082001800106245017600124260006400300300002500364500018900389500002200578504004100600650005900641650003900700650005800739700003000797700002800827700002700855710004200882710005900924711013100983191763BIBL20160527191821.0900525s1989 paua b f100 0 eng  a 89603332 00aQK751b.A38 198900a581.5/22222000aAir pollution effects on vegetation including forest ecosystemsbproceedings of the second US-USSR symposiumcedited by Reginald D. Noble, Juri L. Martin, Keith F. Jensen.0 aBromall, PAbNortheastern Forest Experiment Stationc[1989] a311 p.bill.c26 cm. aOrganized in connection with the 1972 US-USSR Environmental Protection Agreement and sponsored by the US Dept. of Agriculture Forest Service and the US Environmental Protection Agency. a"September 1989." aIncludes bibliographical references. 0aPlants, Effect of air pollution onxCongresses.2Local 0aForest ecologyxCongresses.2Local 0aTreesxEffect of air pollution onxCongresses.2Local10aNoble, Reginald D.2Local10aJensen, Keith F.2Local10aMartin, Juri L.2Local11aUnited StatesbForest Service.2Local11aUnited StatesbEnvironmental Protection Agency.2Local20aUS-USSR Symposium on Air Pollution Effects on Vegetation Including Forest Ecosystemsn(2ndd1988cCorvallis, Or., etc.)2Local