@misc{indiciaebee1cfdef32a,
  title = {Southern Patagonia—Glacial events between 4 m.y. and 1 m.y. ago},
  author = {John H. Mercer and Robert J. Fleck and Edward A. Mankinen and Walter Sander},
  year = {1975},
  url = {https://pubs.usgs.gov/publication/70197180},
  note = {Source identifier: 70197180}
}