@article {755,
	title = {Effects of Ozone Fumigation on Epiphytic Macrolichens - Ultrastructure, CO2 Gas-Exchange and Chlorophyll Fluorescence},
	journal = {Environmental Pollution},
	volume = {88},
	year = {1995},
	pages = {260-262},
	author = {Scheidegger, C. and Schroeter, B.}
}
