@misc{indiciaea08fb04ba45c,
  title = {Geologic evidence for age of deposits at Hueyatlaco archeological site, Vasequillo, Mexico},
  author = {V. Steen-McIntyre and R. Fryxell and H.E. Malde},
  year = {2017},
  doi = {10.1016/0033-5894(81)90124-1},
  url = {https://pubs.usgs.gov/publication/70012044},
  note = {Source identifier: 70012044}
}