@misc{indiciaeb17eba209a58,
  title = {Primary publication in microprint},
  author = {C. M. Herman and D.E. Davis},
  year = {1964},
  doi = {10.2307/1293267},
  url = {https://pubs.usgs.gov/publication/5224725},
  note = {Source identifier: 5224725}
}