@misc{indiciae044d4bca13d0,
  title = {An interpretation of differences between field and laboratory pH values reported by the National Atmospheric Deposition Program/National Trends Network monitoring program},
  author = {David S. Bigelow and D. L. Sisterson and LeRoy J. Schroder},
  year = {2002},
  doi = {10.1021/es00065a018},
  url = {https://pubs.usgs.gov/publication/70015073},
  note = {Source identifier: 70015073}
}