@misc{indiciae3cb9157c7386,
  title = {The first direct evidence of pre-columbian sources of palygorskite for Maya Blue},
  author = {Dean E. Arnold and Bruce F. Bohor and Hector Neff and Gary M. Feinman and Patrick Ryan Williams and Laure Dussubieux and Ronald Bishop},
  year = {2012},
  doi = {10.1016/j.jas.2012.02.036},
  url = {https://pubs.usgs.gov/publication/70118264},
  note = {Source identifier: 70118264}
}