@misc{indiciaeaf3e2a9d9b4b,
  title = {GP Workbench Manual: Technical Manual, User's Guide, and Software Guide},
  author = {Charles P. Oden and Craig W. Moulton},
  year = {2006},
  doi = {10.3133/ofr20061365},
  url = {https://pubs.usgs.gov/publication/ofr20061365},
  note = {Source identifier: ofr20061365}
}