@misc{indiciaed6d8b5aa80a5,
  title = {Preface},
  author = {John R. Dyni},
  year = {1992},
  doi = {10.1016/0016-2361(92)90204-2},
  url = {https://pubs.usgs.gov/publication/70210049},
  note = {Source identifier: 70210049}
}