@misc{indiciae3ff24f22f16b,
  title = {Relationship of the 1979 southern California radon anomaly to a possible regional strain event},
  author = {Mark H. Shapiro and J.D. Melvin and T.A. Tombrello and M.H. Mendenhall},
  year = {1980},
  doi = {10.3133/ofr81449\_vol2},
  url = {https://pubs.usgs.gov/publication/ofr81449\_vol2},
  note = {Source identifier: ofr81449\_vol2}
}