@misc{indiciae42a09489773a,
  title = {Water, population pressure, and ancient Indian migrations},
  author = {D. O’Bryan and M. E. Cooley and T. C. Winter},
  year = {2011},
  doi = {10.1029/eo050i006p00438},
  url = {https://pubs.usgs.gov/publication/70224297},
  note = {Source identifier: 70224297}
}