@misc{indiciae7641958e471f,
  title = {Pulsed gradiometry in Earth's field.},
  author = {Campbell, Kaleb Lee},
  year = {2020},
  doi = {10.2172/1826987},
  url = {https://www.osti.gov/biblio/1826987},
  note = {Source identifier: 1826987}
}