@misc{indiciae68e37c134750,
  title = {The Geminga Pulsar: Soft X-Ray Variability and an EUVE Observation},
  author = {Halpern, Jules P. and Martin, Christopher and Marshall, Herman L.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/19970019939},
  note = {Source identifier: 19970019939}
}