@misc{indiciaeed6b96a5dd08,
  title = {Nickel-iron spherules from Aouelloul glass},
  author = {E. C. T. Chao and E.J. Dwornik and C.W. Merrill},
  year = {1966},
  doi = {10.1126/science.154.3750.759},
  url = {https://pubs.usgs.gov/publication/70010651},
  note = {Source identifier: 70010651}
}