@misc{indiciae8714d624aee6,
  title = {1976 preliminary handbook for U.S.G.S. Central California microearthquake network},
  author = {S. Travis Houck and Jeanette D. Guerrero},
  year = {1977},
  doi = {10.3133/ofr77417},
  url = {https://pubs.usgs.gov/publication/ofr77417},
  note = {Source identifier: ofr77417}
}