@misc{indiciae11ee41c62571,
  title = {An iridium abundance anomaly at the palynological Cretaceous-Tertiary boundary in northern New Mexico},
  author = {C. J. Orth and J. S. Gilmore and J.D. Knight and C. L. Pillmore and R.H. Tschudy and J.E. Fassett},
  year = {1981},
  doi = {10.1126/science.214.4527.1341},
  url = {https://pubs.usgs.gov/publication/70011769},
  note = {Source identifier: 70011769}
}