@misc{indiciaed5416c2c3985,
  title = {Ecological effects of nitrogen and sulfur air pollution in the US: what do we know?},
  author = {Tara L. Greaver and Timothy J. Sullivan and Jeffrey D. Herrick and Mary C. Barber and Jill Baron and Bernard J. Cosby and Marion E. Deerhake and Robin L. Dennis and Jean-Jacque B. Dubois and Christine L. Goodale and Alan T. Herlihy and Gregory B. Lawrence and Lingli Liu and Jason A. Lynch and Kristopher J. Novak},
  year = {2012},
  doi = {10.1890/110049},
  url = {https://pubs.usgs.gov/publication/70003901},
  note = {Source identifier: 70003901}
}