@misc{indiciae336b3b2d5ddd,
  title = {Calculation of cavity radius using an average potential energy function},
  author = {G.E. Brethauer},
  year = {1968},
  doi = {10.3133/ofr6821},
  url = {https://pubs.usgs.gov/publication/ofr6821},
  note = {Source identifier: ofr6821}
}