@misc{indiciae07a70197fc15,
  title = {Geophysical data acquisition in remote environments},
  author = {Bruce P. Ambuter and Ray E. Davis},
  year = {1981},
  doi = {10.3133/ofr811083},
  url = {https://pubs.usgs.gov/publication/ofr811083},
  note = {Source identifier: ofr811083}
}