@article {498,
	title = {Effects of sulphur dioxide and ozone on lichen colonization of conifers in the Liphook forest fumigation project.},
	journal = {New Phytologist },
	volume = {132},
	year = {1996},
	pages = {653-660},
	author = {Bates, J.W. and McNee, P.J. and McLeod, A.R.}
}
