@misc{indiciae9a3c84bebf5b,
  title = {Oxygen isotope calibration of the onset of ice-rafting and history of glaciation in the North Atlantic region},
  author = {N. J. Shackleton and J. Backman and H. Zimmerman and D.V. Kent and M.A. Hall and David G. Roberts and D. Schnitker and J.G. Baldauf and A. Desprairies and R. Homrighausen and P. Huddlestun and J.B. Keene and A.J. Kaltenback and K.A.O. Krumsiek and A.C. Morton and J.W. Murray and J. Westberg-Smith},
  year = {1984},
  doi = {10.1038/307620a0},
  url = {https://pubs.usgs.gov/publication/70013600},
  note = {Source identifier: 70013600}
}