@article {126,
	title = {Response of Epiphytic Lichens on Populus tremula in a Selective Cutting Experiment},
	journal = {Ecological Applications},
	volume = {13},
	number = {4},
	year = {2003},
	pages = {1124-1134},
	chapter = {1124},
	url = {http://www.jstor.org/stable/pdfplus/4134748.pdf},
	author = {Henrik Heden{\r a}s and Lars Ericson}
}
