@misc{indiciae7d4f70e538f8,
  title = {Use of sulphitic liquid to reduce the resistance of quartzose rocks to drilling},
  author = {E. Lemaire},
  year = {1949},
  doi = {10.3133/ofr4923g},
  url = {https://pubs.usgs.gov/publication/ofr4923G},
  note = {Source identifier: ofr4923G}
}