@misc{indiciaee4810bb2656d,
  title = {Bulk and shear moduli of near-surface geologic units near the San Andreas fault at Parkfield, California},
  author = {M. Stewart and M. J. Johnston},
  year = {1993},
  doi = {10.3133/ofr93378},
  url = {https://pubs.usgs.gov/publication/ofr93378},
  note = {Source identifier: ofr93378}
}