@misc{indiciae13652ce736da,
  title = {Four studies on effects of environmental factors on the quality of National Atmospheric Deposition Program measurements},
  author = {Gregory A. Wetherbee and Natalie E. Latysh and Christopher M.B. Lehmann and Mark F. Rhodes},
  year = {2011},
  doi = {10.3133/ofr20111170},
  url = {https://pubs.usgs.gov/publication/ofr20111170},
  note = {Source identifier: ofr20111170}
}