@misc{indiciaeb9c39de00fb9,
  title = {The viscosity of synthetic and natural silicate melts and glasses at high temperatures and 1 bar (105 pascals) pressure and at higher pressures},
  author = {Michael P. Ryan and James Y. Blevins},
  year = {1987},
  doi = {10.3133/b1764},
  url = {https://pubs.usgs.gov/publication/b1764},
  note = {Source identifier: b1764}
}