@misc{indiciae81422265dc68,
  title = {Detectability of step trends in the rate of atmospheric deposition of sulfate},
  author = {R.M. Hirsch and E.J. Gilroy},
  year = {2007},
  doi = {10.1111/j.1752-1688.1985.tb00171.x},
  url = {https://pubs.usgs.gov/publication/70012768},
  note = {Source identifier: 70012768}
}