@misc{indiciae8ca6b30fbe75,
  title = {Program Kolor-Map and Section, Amiga version 1.0},
  author = {Adel A. R. Zohdy},
  year = {1993},
  doi = {10.3133/ofr9313},
  url = {https://pubs.usgs.gov/publication/ofr9313},
  note = {Source identifier: ofr9313}
}