@article{Varney2014a,
  author = "R. H. Varney and S. C. Solomon and M. J. Nicolls",
  title = "Heating of the sunlit polar cap ionosphere by reflected photoelectrons",
  year =  2014 ,
  journal = "J. Geophys. Res.",
  volume = 119,
  pages = "8660-8684",
  keywords = "amisr, risrn",
  doi = "10.1002/2013JA019378"
}