The HARPS search for southern extra-solar planets - XV. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, and HD 153950
A&A, 496 2 (2009) 513-519
Published online: 27 November 2008
DOI: 10.1051/0004-6361:200810941