@misc{indiciaeaae246594dd3,
  title = {Review of magnetic and electric field effects near active faults and volcanoes in the U.S.A.},
  author = {M.J.S. Johnston},
  year = {1989},
  doi = {10.1016/0031-9201(89)90213-6},
  url = {https://pubs.usgs.gov/publication/70015442},
  note = {Source identifier: 70015442}
}