@article {789,
	title = {Ultrastructural changes and electrolyte leakage from ozone fumigated epiphytic lichens.},
	journal = {Annals of Botany},
	volume = {80},
	year = {1997},
	pages = {611-621},
	author = {Tarhanen, S. and Holopainen, T. and Oskanen, J.}
}
