Stellar longitudinal magnetic field determination through multi-Zeeman signatures J. C. Ramírez Vélez, M. J. Stift, S. G. Navarro, J. P. Córdova, L. Sabin and A. Ruelas-Mayorga A&A, 596 (2016) A62 Published online: 01 December 2016 DOI: 10.1051/0004-6361/201628476