@article {1645,
	title = {Studies on the effects of low levels of sulphur dioxide on the growth of Lolium Perenne L.},
	journal = {New Phytologist},
	volume = {83},
	year = {1979},
	pages = {627-643},
	author = {Bell, J.N.B. and Rutter, A.J. and Relton, J.}
}
