@misc{indiciae343a11f3976a,
  title = {Solar-Driven Neutral Density Waves},
  author = {Blum, P. and Gangopadhyay, P. and Ogawa, H. S. and Judge, D. L.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19980007589},
  note = {Source identifier: 19980007589}
}