@misc{indiciae846b4a6dad0d,
  title = {Late Eocene impact microspherules: Stratigraphy, age and geochemistry},
  author = {G. Keller and Steven L. D’Hondt and C. J. Orth and J. S. Gilmore and P. Q. Oliver and Eugene Merle Shoemaker and E. Molina},
  year = {2012},
  doi = {10.1111/j.1945-5100.1987.tb00883.x},
  url = {https://pubs.usgs.gov/publication/70226739},
  note = {Source identifier: 70226739}
}