@article{Semeter2010a,
  author = "J. Semeter and T. W. Butler and M. Zettergren and C. J. Heinselman and M. J. Nicolls",
  title = "Composite imaging of auroral forms and convective flows during a substorm cycle",
  year =  2010 ,
  journal = "J. Geophys. Res.",
  volume = 115,
  keywords = "amisr, pfisr, pfrr",
  doi = "10.1029/2009JA014931"
}