The HARPS search for southern extra-solar planets - XXVIII. Up to seven planets orbiting HD 10180: probing the architecture of low-mass planetary systems
C. Lovis, D. Ségransan, M. Mayor, S. Udry, W. Benz, J.-L. Bertaux, F. Bouchy, A. C. M. Correia, J. Laskar, G. Lo Curto, C. Mordasini, F. Pepe, D. Queloz and N. C. Santos