@misc{indiciae985c51a2a828,
  title = {The Unknown Hydrogen Exosphere: Space Weather Implications},
  author = {Krall, J. and Glocer, A. and Fok, M.-C. and Nossal, S.M. and Huba, J.D.},
  year = {2018},
  url = {https://ntrs.nasa.gov/citations/20180004755},
  note = {Source identifier: 20180004755}
}