@book{145333,
	author = {Noble, Reginald D. and United States and US-USSR Symposium on Air Pollution Effects on Vegetation Including Forest Ecosystems},
	title = {Air pollution effects on vegetation including forest ecosystems},
	publisher = {Northeastern Forest Experiment Station},
	year = {[1989]},
	address = {Bromall, PA},
	note = {Organized 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.}
}