@misc{indiciaeef2958c21cd5,
  title = {Electron density measurements during the NLC-91 campaign},
  author = {Ulwick, J. C. and Kelley, Michael C. and Alcala, C.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950005630},
  note = {Source identifier: 19950005630}
}