@article{Michell2009a,
author = "R. G. Michell and K. A. Lynch and C. J. Heinselman and H. C. Stenbaek-Nielsen",
title = "High time resolution PFISR and optical observations of naturally enhanced ion acoustic lines",
year = 2009 ,
journal = "Ann. Geophys.",
volume = 27,
number = 4,
pages = "1457-1467",
keywords = "amisr, pfisr, pfrr",
doi = "10.5194/angeo-27-1457-2009"
}