@misc{indiciaee5934dcb89ac,
  title = {An automatic micromuffle for the determination of ash in carbonaceous material},
  author = {Robert Meyrowitz and C. J. Massoni},
  year = {1954},
  doi = {10.3133/tei412},
  url = {https://pubs.usgs.gov/publication/tei412},
  note = {Source identifier: tei412}
}