@article {709,
	title = {Carbon dioxide effects on heterotrophic dinitrogen fixation in a temperate pine forest},
	journal = {Soil Science Society of America Journal},
	volume = {71},
	year = {2007},
	pages = {140-144},
	publisher = {Soil Science Society},
	isbn = {1435-0661},
	author = {Hofmockel, Kirsten S. and Schlesinger, William H.}
}
