@misc{indiciae18e801cd3e19,
  title = {User’s guide and reference to Ash3d—A three-dimensional model for Eulerian atmospheric tephra transport and deposition},
  author = {Larry G. Mastin and Michael J. Randall and Hans F. Schwaiger and Roger P. Denlinger},
  year = {2013},
  doi = {10.3133/ofr20131122},
  url = {https://pubs.usgs.gov/publication/ofr20131122},
  note = {Source identifier: ofr20131122}
}