@misc{indiciaee0eaba92d199,
  title = {Rock friction under variable normal stress},
  author = {Brian D. Kilgore and Nicholas M. Beeler and Julian C. Lozos and David Oglesby},
  year = {2017},
  doi = {10.1002/2017jb014049},
  url = {https://pubs.usgs.gov/publication/70192410},
  note = {Source identifier: 70192410}
}