@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" }