@misc{indiciae3e37ed51ad7a,
  title = {Rb-Sr, Sm-Nd, K-Ca, O, and H isotopic study of Cretaceous-Tertiary boundary sediments, Caravaca, Spain: evidence for an oceanic impact site},
  author = {D.J. DePaolo and F.T. Kyte and B.D. Marshall and J. R. O’Neil and J. Smit},
  year = {1983},
  doi = {10.1016/0012-821x(83)90096-1},
  url = {https://pubs.usgs.gov/publication/70011413},
  note = {Source identifier: 70011413}
}