@misc{indiciae1beb1ac3cdd0,
  title = {Computer programs released as U.S. Geological Survey publications through August 1989},
  author = {R. C. Orndorff and Kurt Dodd and G.B. Gunnells and Yula Sakss},
  year = {1989},
  doi = {10.3133/ofr89681},
  url = {https://pubs.usgs.gov/publication/ofr89681},
  note = {Source identifier: ofr89681}
}