Precise radial velocities with BOES - Detection of low-amplitude pulsations in the K-giant α ArietisK. M. Kim, D. E. Mkrtichian, B.-C. Lee, Inwoo Han and A. P. HatzesA&A, 454 3 (2006) 839-844DOI: https://doi.org/10.1051/0004-6361:20053073