@misc{indiciae8700fb7057a7,
  title = {Preparation and characterization of "Libby Amphibole" toxicological testing material},
  author = {Heather Lowers and Stephen A. Wilson and Todd M. Hoefen and William Benzel and Gregory P. Meeker},
  year = {2012},
  doi = {10.3133/ofr20121012},
  url = {https://pubs.usgs.gov/publication/ofr20121012},
  note = {Source identifier: ofr20121012}
}