The HARPS search for southern extra-solar planets - III. Three Saturn-mass planets around HD 93083, HD 101930 and HD 102117C. Lovis, M. Mayor, F. Bouchy, F. Pepe, D. Queloz, N. C. Santos, S. Udry, W. Benz, J.-L. Bertaux, C. Mordasini and J.-P. SivanA&A, 437 3 (2005) 1121-1126DOI: https://doi.org/10.1051/0004-6361:20052864