@misc{indiciaecce3a5b1895c,
  title = {User guide for the PULSE program},
  author = {A. T. Rutledge},
  year = {2002},
  doi = {10.3133/ofr02455},
  url = {https://pubs.usgs.gov/publication/ofr02455},
  note = {Source identifier: ofr02455}
}