An automated system for measuring the complex impedance and its relaxation in soft magnetic materials J.P. Sinnecker, M. Knobel, M.L. Sartorelli, J. Schonmaker and F.C.S. Silva J. Phys. IV France, 08 PR2 (1998) Pr2-665-Pr2-668 DOI: 10.1051/jp4:19982154