@misc{indiciaef196150c1383,
  title = {Pn spectral variations of the Gasbuggy explosion at intermediate distance ranges},
  author = {William Hung Kan Lee and Roger D. Borcherdt},
  year = {1968},
  doi = {10.3133/ofr68166},
  url = {https://pubs.usgs.gov/publication/ofr68166},
  note = {Source identifier: ofr68166}
}