@article{Richards2014a,
author = "P. G. Richards and M. J. Nicolls and J.-P. St.-Maurice and L. Goodwin and J. M. Ruohoniemi",
title = "Investigation of sudden electron density depletions observed in the dusk sector by the Poker Flat, Alaska incoherent scatter radar in summer",
year = 2014 ,
journal = "J. Geophys. Res.",
volume = 119,
pages = "10608-10620",
keywords = "amisr, pfisr, pfrr",
doi = "10.1002/2014JA020541"
}