@misc{indiciae1e50bae73e65,
  title = {Operating manual for the U.S. Geological Survey minimonitor, 1988 revised edition; punched-paper-tape model},
  author = {James H. Ficken and Carl T. Scott},
  year = {1988},
  doi = {10.3133/ofr88491},
  url = {https://pubs.usgs.gov/publication/ofr88491},
  note = {Source identifier: ofr88491}
}