@misc{indiciae11051f4b9c9e,
  title = {Computer-composite mapping for geologists},
  author = {J.N. van Driel},
  year = {1980},
  doi = {10.1007/bf02473490},
  url = {https://pubs.usgs.gov/publication/70012434},
  note = {Source identifier: 70012434}
}