@misc{indiciaea98d83c1c119,
  title = {Possible tectonomagnetic effect observed from mid-1989, to mid-1990, in Long Valley Caldera, California},
  author = {R.J. Mueller and M.J.S. Johnston and J. O. Langbein},
  year = {2012},
  doi = {10.1029/91gl00814},
  url = {https://pubs.usgs.gov/publication/70016698},
  note = {Source identifier: 70016698}
}