@misc{indiciaec5eda9d72068,
  title = {Ionospheric electron-content measurements during the second space-plasma negative-ion experiment (SPINEX-2)},
  author = {Fulford, J. A. and Macdougall, J. W. and Forsyth, P. A. and Mendillo, M. and Bernhardt, P. A.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870057534},
  note = {Source identifier: 19870057534}
}