@article{Samara2013a,
author = "M. Samara and R. Michell",
title = "Optical and radar observations of small-scale polar cap auroral structures",
year = 2013 ,
journal = "J. Atmos. Solar-Terr. Phys.",
pages = "308-312",
keywords = "amisr, risrn, rbo",
doi = "10.1016/j.jastp.2012.11.016"
}