@misc{indiciae320e3be8f8e1,
  title = {Optical Emissions from Proton Aurora},
  author = {Lummerzheim, D. and Galand, M. and Kubota, M.},
  year = {2003},
  url = {https://ntrs.nasa.gov/citations/20040016255},
  note = {Source identifier: 20040016255}
}