@article{Richardson:206,
      author        = "Richardson, I.G. and Webb, D.F. and Zhang, J. and
                       Berdichevsky, D.B. and Biesecker, D.A. and Kasper, J.C. and
                       Kataoka, R. and Steinberg, J.T. and Thompson, B. and Wu,
                       C.-C. and Zhukov, A.N.",
      title         = "{Major geomagnetic storms (Dst = -100 nT) generated by
                       corotating interaction regions}",
      year          = "2006",
}