@article{Akbari2014a,
author = "H. Akbari and J. L. Semeter",
title = "Aspect angle dependence of naturally enhanced ion acoustic lines",
year = 2014 ,
journal = "J. Geophys. Res.",
volume = 119,
keywords = "amisr, pfisr, pfrr",
doi = "10.1002/2014JA019835"
}