Detection of magnetic fields in He-rich early B-type stars using HARPSpol S. P. Järvinen, S. Hubrig, I. Ilyin, M. Schöller, M. F. Nieva, N. Przybilla and N. Castro A&A, 618 (2018) L2 Published online: 09 October 2018 DOI: 10.1051/0004-6361/201833171