The HARPS search for southern extra-solar planets - V. A 14 Earth-masses planet orbiting HD 4308S. Udry, M. Mayor, W. Benz, J.-L. Bertaux, F. Bouchy, C. Lovis, C. Mordasini, F. Pepe, D. Queloz and J.-P. SivanA&A, 447 1 (2006) 361-367DOI: https://doi.org/10.1051/0004-6361:20054084
