@misc{indiciaea2997d03c2e0,
  title = {Rotating Capacitor Measures Steady Electric Fields},
  author = {Johnston, A. R. and Kirkham, H. and Eng, B.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19850000449},
  note = {Source identifier: 19850000449}
}