@misc{indiciae7b16ca0e5f51,
  title = {Dilemma posed by uranium-series dates on archaeologically significant bones from Valsequillo, Puebla, Mexico},
  author = {Barney J. Szabo and H.E. Malde and C. Irwin-Williams},
  year = {1969},
  doi = {10.1016/0012-821x(69)90163-0},
  url = {https://pubs.usgs.gov/publication/70011506},
  note = {Source identifier: 70011506}
}