@misc{indiciae9a02880337a1,
  title = {Nitrogen limitation, 15 N tracer retention, and growth response in intact and Bromus tectorum -invaded Artemisia tridentata ssp. wyomingensis communities},
  author = {Dana L. Witwicki and Paul S. Doescher and David A. Pyke and Nicole M. DeCrappeo and Steven S. Perakis},
  year = {2012},
  doi = {10.1007/s00442-012-2442-5},
  url = {https://pubs.usgs.gov/publication/70040355},
  note = {Source identifier: 70040355}
}