@misc{indiciaed4a44d79e905,
  title = {Present and former equilibrium-line altitudes near Mount Everest, Nepal and Tibet},
  author = {V. S. Williams},
  year = {1983},
  doi = {10.2307/1550922},
  url = {https://pubs.usgs.gov/publication/70011270},
  note = {Source identifier: 70011270}
}