@misc{indiciaec14bc0ccf846,
  title = {REFS-DTR; a reference database for VAX DATATRIEVE},
  author = {C.N. Gerlitz},
  year = {1987},
  doi = {10.3133/ofr87637},
  url = {https://pubs.usgs.gov/publication/ofr87637},
  note = {Source identifier: ofr87637}
}