@article {567,
	title = {Comparisons of 3 Woodland Sites in NW Britain Differing in Richness of the Epiphytic Lobarion-Pulmonariae Community and Levels of Wet Acidic Deposition},
	volume = {14},
	year = {1991},
	pages = {85-91},
	author = {Farmer, A.M. and Bates, J.W. and Bell, J.N.B.}
}
