@misc{indiciaede81c2dc0c6f,
  title = {Is internal friction friction?},
  author = {J.C. Savage and J.D. Byerlee and D.A. Lockner},
  year = {1996},
  doi = {10.1029/96gl00241},
  url = {https://pubs.usgs.gov/publication/70018530},
  note = {Source identifier: 70018530}
}