@misc{indiciaed132608b5bc5,
  title = {Infrasonic waves in the ionosphere during severe thunderstorms},
  author = {Rao, G. L. and Hung, R. J. and Smith, R. E.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19750038613},
  note = {Source identifier: 19750038613}
}