@misc{indiciae5ceba15c4770,
  title = {New links between the Chicxulub impact structure and the Cretaceous/Tertiary boundary},
  author = {Virgil L. Sharpton and G. B. Dalrymple and L.E. Marin and G. Ryder and B.C. Schuraytz and J. Urrutia-Fucugauchi},
  year = {1992},
  doi = {10.1038/359819a0},
  url = {https://pubs.usgs.gov/publication/70017259},
  note = {Source identifier: 70017259}
}