@misc{indiciae603edfa20605,
  title = {Silicate analysis},
  author = {R.M. Fowler and W.M. Hazel and J.P. Highfill and R.E. Stevens},
  year = {1952},
  url = {https://pubs.usgs.gov/publication/70011127},
  note = {Source identifier: 70011127}
}