@misc{indiciaed4ac078dbba0,
  title = {Use of multivariate analysis for determining sources of solutes found in wet atmospheric deposition in the United States},
  author = {R. P. Hooper and N.E. Peters},
  year = {2002},
  doi = {10.1021/es00068a013},
  url = {https://pubs.usgs.gov/publication/70015276},
  note = {Source identifier: 70015276}
}