@misc{indiciaee442714b3b5b,
  title = {Drilling for scientific purposes},
  author = {Eugene Merle Shoemaker and U.S. National Research Council and U.S. Geodynamics Committee},
  year = {1977},
  url = {https://pubs.usgs.gov/publication/70226992},
  note = {Source identifier: 70226992}
}