@article {1422,
	title = {The effects of long-term exposures to SO2 and NO2 pollution on the growth of Dactylis glomerata L. and Poa pratensis L.},
	journal = {Environmental Pollution},
	volume = {18},
	year = {1979},
	pages = {249-258},
	author = {Ashenden, T.W.}
}
