@misc{indiciae4725a2d636bf,
  title = {Summary of results of frictional sliding studies, at confining pressures up to 6.98 kb, in selected rock materials},
  author = {R. Summers and J. Byerlee},
  year = {1977},
  doi = {10.3133/ofr77142},
  url = {https://pubs.usgs.gov/publication/ofr77142},
  note = {Source identifier: ofr77142}
}