@misc{indiciaef8bc3e5a4f44,
  title = {Energy dispersive spectrometry for quantitative mineralogical analyses: An ancillary system on an electron microphobe},
  author = {George A. Desborough and Robert H. Heidel},
  year = {1974},
  url = {https://pubs.usgs.gov/publication/70232477},
  note = {Source identifier: 70232477}
}