@misc{indiciaed988bc0bca3c,
  title = {Controlling for anthropogenically induced atmospheric variation in stable carbon isotope studies},
  author = {E.S. Long and R.A. Sweitzer and Duane R. Diefenbach and M. Ben-David},
  year = {2005},
  doi = {10.1007/s00442-005-0181-6},
  url = {https://pubs.usgs.gov/publication/70027643},
  note = {Source identifier: 70027643}
}