Dynamical evolution of a magnetic cloud from the Sun to 5.4 AU M. S. Nakwacki, S. Dasso, P. Démoulin, C. H. Mandrini and A. M. Gulisano A&A, 535 (2011) A52 Published online: 03 November 2011 DOI: 10.1051/0004-6361/201015853