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  year =  2018 ,
  journal = "Journal of Geophysical Research: Space Physics",
  publisher = "American Geophysical Union",
  volume = 123,
  keywords = "pfisr, risrn",
  doi = "10.1002/2017JA024817"
}


@article{Nicolls2014b,
  author = "M. J. Nicolls and H. Bahcivan and I. Haggstrom and M. Rietveld",
  title = "Direct Measurement of Lower-Thermospheric Neutral Density using Multi-Frequency Incoherent Scattering",
  year =  2014 ,
  journal = "Geophys. Res. Lett.",
  volume = 41,
  number = 2,
  pages = "8147-8154",
  keywords = "amisr",
  doi = " 10.1002/2014GL062204"
}


