@misc{indiciae009e80a16d1c,
  title = {Cartographic projection procedures for the UNIX environment; a user's manual},
  author = {Gerald I. Evenden},
  year = {1990},
  doi = {10.3133/ofr90284},
  url = {https://pubs.usgs.gov/publication/ofr90284},
  note = {Source identifier: ofr90284}
}