Long-term magnetic activity of a sample of M-dwarf stars from the HARPS program - II. Activity and radial velocityJ. Gomes da Silva, N. C. Santos, X. Bonfils, X. Delfosse, T. Forveille, S. Udry, X. Dumusque and C. LovisA&A, 541 (2012) A9DOI: https://doi.org/10.1051/0004-6361/201118598
