@article{Cerrato:1146,
      author        = "Cerrato, Y. and Saiz, E. and Cid, C. and Aguado, J. and
                       Aran, A. and Cremades, H. and Dasso, S. and Lathuillere,
                       Chantal and Mandrini, C. H. and Menvielle, M. and Poedts,
                       S. and Rodriguez, L. and Sanahuja, Blai and Schmieder, B.
                       and Zhukov, A.N.",
      title         = "{Halo CMEs far from central meridian: why are they
                       geoeffective?}",
      year          = "2009",
}