@misc{indiciae7036516094aa,
  title = {ULFEM time series analysis package},
  author = {Susan M. Karl and Darcy McPhee and Jonathan M. G. Glen and Simon L. Klemperer},
  year = {2013},
  doi = {10.3133/ofr20131285},
  url = {https://pubs.usgs.gov/publication/ofr20131285},
  note = {Source identifier: ofr20131285}
}