@misc{indiciae59699a219b36,
  title = {U.S. Geological Survey National Computer Technology Meeting; Program and abstracts, May 7-11, 1990},
  author = {B. H. Balthrop and E.G. G. Baker},
  year = {1990},
  doi = {10.3133/ofr90161},
  url = {https://pubs.usgs.gov/publication/ofr90161},
  note = {Source identifier: ofr90161}
}