@article {ARC28531,
	title = {Nitrate is an important nitrogen source for Arctic tundra plants},
	journal = {Proceedings of the National Academy of Sciences},
	volume = {115},
	year = {2018},
	month = {03//2018},
	pages = {3398 - 3403},
	keywords = {Arctic tundra plants, nitrogen dynamics, plant nitrate, soil nitrate, stable isotopes},
	issn = {0027-8424},
	doi = {10.1073/pnas.1715382115},
	url = {http://www.pnas.org/lookup/doi/10.1073},
	author = {Xue-Yan Liu and Keisuke Koba and Lina A. Koyama and Sarah E. Hobbie and M. Weiss and Inagaki, Yoshiyuki and Gaius R Shaver and Anne E. Giblin and S. Hobara and K. J. Nadelhoffer and M. Sommerkorn and Edward B Rastetter and George W Kling and J. A. Laundre and Midori Yano and Akiko Makabe and Y. Yano and Liu, Cong-Qiang}
}
@article {ARC22373,
	title = {Nitrogen fixation in surface soils and vegetation in an Arctic tundra watershed: A key source of atmospheric nitrogen},
	journal = {Arctic, Antarctic and Alpine Research},
	volume = {38},
	year = {2006},
	pages = {363-372},
	isbn = {1523-0430},
	doi = {10.1657/1523-0430(2006)38\%5B363:Nfissa\%5D2.0.Co;2},
	author = {S. Hobara and C. McCalley and Keisuke Koba and Anne E. Giblin and M. Weiss and Gretchen M. Gettel and Gaius R Shaver}
}
@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}
}
@mastersthesis {ARC22855,
	title = {The contribution and environmental control of nitrogen fixation by lichens in upland Arctic tundra},
	volume = {MS},
	year = {2003},
	school = {University of Minnesota},
	type = {M.S. Thesis},
	address = {Minneapolis, MN},
	author = {M. Weiss}
}
@article {ARC22409,
	title = {Carbon and nitrogen cycling in soils from acidic and nonacidic tundra with different glacial histories in northern Alaska},
	journal = {Ecosystems},
	volume = {5},
	year = {2002},
	pages = {761-774},
	doi = {10.1007/s10021-002-0185-6},
	author = {Sarah E. Hobbie and T. A. Miley and M. Weiss}
}
