@article {32054,
	title = {Interim report on symptomology and threshold levels of air pollutant injury to vegetation, 1975 to 1978},
	volume = {AOSERP Report 44},
	year = {1979},
	note = {Project VE 3.1},
	pages = {13},
	institution = {Alberta Oil Sands Environmental Research Program},
	address = {Edmonton, AB},
	author = {Malhotra, S. S. and Addison, P. A.}
}
