@misc{indiciae619ab4f67da5,
  title = {Metallic spherules in tektites from Isabela, Philippine Islands},
  author = {E. C. T. Chao and I. Adler and E.J. Dwornik and J. Littler},
  year = {1962},
  doi = {10.1126/science.135.3498.97},
  url = {https://pubs.usgs.gov/publication/70010743},
  note = {Source identifier: 70010743}
}