@misc{indiciaec0dc55defe35,
  title = {Palmer Drought Severity Index as a Measure of Hydrologic Drought},
  author = {William M. Alley},
  year = {2007},
  doi = {10.1111/j.1752-1688.1985.tb05357.x},
  url = {https://pubs.usgs.gov/publication/70012827},
  note = {Source identifier: 70012827}
}