@misc{indiciae21a8ae320160,
  title = {Minerales en nuestro ambiente},
  author = {Dave G. Frank and John P. Galloway and Susan Garcia and Judy Weathers},
  year = {2007},
  doi = {10.3133/ofr20071185},
  url = {https://pubs.usgs.gov/publication/ofr20071185},
  note = {Source identifier: ofr20071185}
}