author        = "Dasso, S. and Demoulin, P. and Gulisano, A. M. and
                       Cremades, H. and Mandrini, C. H. and Schmieder, B. and Cid,
                       C. and Cerrato, Y. and Saiz, E. and Rodriguez, L. and
                       Zhukov, A.N. and Aran, A. and Menvielle, M. and Poedts, S.",
      title         = "{Expansion of magnetic clouds under different solar wind
      year          = "2009",