@misc{indiciaec5a5badbe90a,
  title = {The preparation of polished thin sections},
  author = {G.C. Kennedy},
  year = {1945},
  doi = {10.2113/gsecongeo.40.5.353},
  url = {https://pubs.usgs.gov/publication/70215051},
  note = {Source identifier: 70215051}
}