@misc{indiciae77b9b9c2b969,
  title = {General introduction and recovery factors},
  author = {Mahendra K. Verma},
  year = {2017},
  doi = {10.3133/sir20175062a},
  url = {https://pubs.usgs.gov/publication/sir20175062A},
  note = {Source identifier: sir20175062A}
}