Contrasting responses of nitrogen fixation in Arctic lichens to experimental and ambient nitrogen and phosphororus availability. Weiss, M., Hobbie, S., & Gettel, G. Arctic, Antarctic, and Alpine Research, 2005.
bibtex   
@article{weiss_contrasting_2005,
	title = {Contrasting responses of nitrogen fixation in {Arctic} lichens to experimental and ambient nitrogen and phosphororus availability.},
	volume = {37},
	number = {3},
	journal = {Arctic, Antarctic, and Alpine Research},
	author = {Weiss, M. and Hobbie, S.E. and Gettel, G.},
	year = {2005},
	keywords = {ARC}
}

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