@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"
}