@misc{indiciae27b9fe2d0892,
  title = {A note on the frictional strength of laumontite from Cajon Pass, California},
  author = {C.A. Morrow and J.D. Byerlee},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/70016570},
  note = {Source identifier: 70016570}
}