@article {ARC22856,
	title = {Contrasting Responses of Nitrogen-Fixation in Arctic Lichens to Experimental and Ambient Nitrogen and Phosphorus Availability},
	journal = {Arctic, Antarctic and Alpine Research},
	volume = {37},
	year = {2005},
	pages = {396-401},
	doi = {10.1657/1523-0430\%282005\%29037\%5B0396\%3ACRONIA\%5D2.0.CO\%3B2},
	author = {M. Weiss and Sarah E. Hobbie and Gretchen M. Gettel}
}
