@misc{indiciae3408ca152d3c,
  title = {External quality-assurance results for the National Atmospheric Deposition Program/National Trends Network, 2002-03},
  author = {Gregory A. Wetherbee and Natalie E. Latysh and Kevin P. Burke},
  year = {2005},
  doi = {10.3133/sir20055061},
  url = {https://pubs.usgs.gov/publication/sir20055061},
  note = {Source identifier: sir20055061}
}