@misc{indiciaec44edf949a06,
  title = {Modern methods of rock and mineral analysis},
  author = {W. F. Hillebrand},
  year = {1903},
  doi = {10.1016/s0016-0032(03)90265-1},
  url = {https://pubs.usgs.gov/publication/70009950},
  note = {Source identifier: 70009950}
}