@misc{indiciae60672b0151c9,
  title = {On-line operation of disk backup utility program DSKUP},
  author = {David V. Fitterman},
  year = {1979},
  doi = {10.3133/ofr791607},
  url = {https://pubs.usgs.gov/publication/ofr791607},
  note = {Source identifier: ofr791607}
}